t^^l

160 rKIONIDffi.
Hah. Eiver Jellinghy, Upper Gangetic Delta. Also recorded
in the Indian Museum Collection from Hazrapur and Calcutta.
Var. chrysis {Benson).
Unio favidens, var. chrysis, Benson, A. JI. N. H. x, 1862, p. 189 ;
H. & T., C. I. 1876, p. 19, pi. 41, fig. 3.
Original description:—Longer and less broad in proportion ;
epidermis a beautiful green, banded more or less with yellow;
Fig. 10.—Farreysia (P.) Javidens (Bens.), var. chrysis (Bens.).
(Specimen.) Nut. size.
umbonal rugae very strong and extended; cardinal teeth mostly
narrower than in the type ; nacre salmon-tinted.
Long. 27, lat. 35, diam. 16 mm.
Bah. Eiver Dojora at Kareily Ghat, near Bareilly. A specimen
in the Indian Museum is labelled Patna.
Fig. 11.—Farreysia {F.) javidens (Bens.), var. viridula (Bens.).
(Specimen.) Nat. size.
Var. viridula (Benson).
Unio favidens, var. viridula, Benson, A. M. N. H. x, 1862, p, 189.
Original description :—Eorm of type, but more compressed ;