Report on the zoological collections made in the Indo-Pacific Ocean ...

;EXPLANATION OP THE PLATES. 675Fig. g. Phorioftponcfia fibrosa, cylindrical, bihamate, equianchorate(from front and side) spicules, x 370. From typo specimenfrom Prince of Wales Channel.h. Esperia pellucida, skeleton acuate spicule. 7;', large (fromfront), 7i", small inequianchorate (from front and side)h'", bihamate spicule ; and 7i"", trichite-bundle, x 370.From type specimen from Alert Island, Torres Straits.i. ClaiJirla copphiger'i, small and large spined acerate, andsmooth variety ofend of latter, and smooth subspinulatespicules, X 190. i\ equianchorate spicule (from frontand side), x 370. From specimen from Albany Island.j* C. frondifera, smooth acerate spicule, three sizes, x 190./, spined acuate, two forms, x 190 ;/', tricurvate spicule,and/", equianchorate (from front and side), x 370, Fromspecimen from Fitzroy Island, Queensland.Jc. C. aculeata, smooth acuate and subspinulate, and spinedacuate spicules, x 190, Ic, tricurvate, and Tc", equianchorate(from front and side), x370. From typespecimen from Thursday Island.I. liaspailia bifiircata, portion of fibre from near base, showingspined acuate spicule in sita, x 190. V, smoothacuate and acerate spicules, x 38. From type specimen(in spirit) from Prince of Wales Channel.m. a. austndiensis, part of vertical section from near middleof Sponge, X 38. m', larger and smaller acuate spicules,X G8. From type specimen (in spirit) from PortDarwin.n. lihapliidophlus arhorescens, smooth and spined acuatespicules, and head of spinulate variety of the former, x 190.n. Equianchorate seen from the front, x 370. From typespecimen from Friday Island.0. R. procerus, part of vertical section, x 68. o', skeletonspicules,X 68 ; o", flesh-spicules, x 370. From typespecimen (in spirit) from Port Darwin.* This figure has been erroneously referred to as fig. i in the text on p. 448,