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acropora 191 4, MATfHAJ, 102; pis. 25/ 1, 3; 26/4(?); 1311 (synonymy).
lobora 1857, MILNE EDWARDS (& HAIME). 434: pI. 08/ 1.
1879, KLUNZING ER 1, l1 : p l~ 119: 10/8.
1888. ORTMANN, 171.
OrbicellD lobara 1906, v. MARENZELLER, 87.
Fouia pseudostelligera 1971. CHEVA LIER, 169; pis. 18/ 3.7: 19/ 1 (synonymy),
18 specimens are placed under this species. They all show the typical hillocky growth. The corallites
(except in X2 : 3- 22) range from 2.5 to 3 mm in diameter with a toral of 20 to 24 septa. In X2: 3- 22
the corallites are 3 to 5 mm in diameter, the total septa range from 24 to 36 , thus agreeing to F. pseudostelligera.
In all the specimens t he calices are circular, wa ll o nly slighrly projecting, and they are ge nerally
not more than I mm deep. Other details agree to MA TTHAI 'S (1914) description of his F. acropora (= stelligera)
.
Mater ial:
Gulf of Aqaba: T. Aviv IS E55 /548f (Eilat); 4979 (Dahab).
Basel PW 71359 (Eilat); 7 3708 (EI Kura) ; 71357 (without locality).
Northern R. S. : USNM Wa 57, 58 (G hardaqa).
HLM X2 : 3- 22,40, 41 (Gubal lsl.).
Central R. S. :
481 (Ras Abu Suma) ; 306, 307 (Ras Abu Hagar).
EC
P. Sud. Sa 36 (Sanganeb R.).
HLM RM 48 ,88,89 (Wingate R. ).
Southern R. S.: HLM X2 : 10- 15 (Sarso Isl.).
Di s t rib ut i 0 n : Red Sea; Aldabra (ROS EN, 1971); Madagascar (PI CHO N, 1964); Chagos; Maldives;
Lakshadweep ; Gul f ofMannar(PI LLAI , 1972); Ceylon; Nicobar Isis. ; Cocos-Keeling Isis. (VAUGHAN , 1918);
East Indies (UMSGROVE, 1939); Japan (VASE , SUG IYAMA & EGUCHI, 1936); Palau Isis.; Great Barrier
Reef (CROSSLAND , 1952) ; New Hebrides; New Caledonia; Marshall Isis. (WELLS, 1954); Fiji ; Samoa;
Fanning Isis.; Hawaii ; Cook Isis. (STODDART & PILLAI, 1973); Tahiti (CROSSLAND , 1931); Tuamotu
Archipelago.
Orbicellil
Favia
Plesiastretl
Favia
Favia laxa (KLUNZ ING ER), 1879
(Plale 26. Figs. 7, 8)
Jaxa 1879, KLUNZINGER 3. 49: pis. 5/ 3; lO/9a, b (Type locality : Red Sea).
1906. v. MARENZELLER, 87.
/aXQ 19 14 , MAITHAI. 99: pis. 24/5.6: 31/2.
1972. WIJSMAN·BEST, 25 : pI. 4/4.
1974, WIJSMAN·BEST, 256: pI. 412.
1974, MERGNE R & SCHUHMACHER, 264.
1977. VERON. PICHON & WIJ SMAN-BEST, 21 . figs. 23 - 27,415 .
1980. HEAD. 151 . 456.
'":co 1971 , LOYA & SLOBODK IN, 124.
onanas? 1914, MATfHAI.98;pls. l012. 4 ; 2SI7 (synonymy),
We have seven specimens before us which we assign to this species. Two of them (RM 80 and PW 7 3694)
show almost similar details and are described rogether. Submassive, hemispherical. Corallites circular or
elongated. Calices 4 to 6 mm in greater diameter, elongated o nes showing signs of division. Wall elevated
1 to 2 mm. Dista nce between adjacent corallites 3 to 4 mm, depth 2 to 3 mm. Intercorallite grooves
often visible. Total septa 28 to 32 , of which 18 ro 20 fuse with the columella. Larger septa with a paliform
lobe. Ge nerally only two subsidiary septa rurn toward s a major seprum. Larger septa up to I mm exsert,
edges dentate, sides granular. Costae conspicuous, those of the opposite sides unite at the middle of the
intercorall ite furrow over a transverse ridge.
PW 71 354 is encrusting. The coraUites and calices are nearly rounded, average 6 mm in diameter,
wall 2 mm exsert, adjacent coraUites 4 ro 5 mm apart. Peritheca with blisters. Septa 35 to 40, 13 to 20
reach the columella. Septa exsert and slightly swollen at the wall. Paliform lobes prominent. Columella
2 to 3 mm in diameter, composed of closely twisted trabeculae to which major septa join. Costae unite at
the middle o f the intercorallite area. In none of t he specimens full y developed buds are preserved .