104 Moll. 
MOLLUSCA. 
Spmriidat. 
Grandidieria anceyi, G. insignis, G. hauttecceuri, G. locardiana, spp. nn., 
Tanganyika, Bourguignat, (41) pp. 15-18. A list of 21 known species of 
this genus is given, t. c. pp. 20-23. 
Grandidieria does not belong to the Naiidce , but to the Sphceriidoe ; 
Ruellania, n. n., proposed ; Bourguignat, (41b) p. 1. R. cyrenopsis , R. 
servainictna, R. ujijiensis, R. gravida , R. rostrata , spp. nn., Lake Tangan¬ 
yika, id. t. c. pp. 9, 6, 7 & 10, pi. i. R. elongata, R. giraudi , R. mira , R. 
rotundata, R. corbicula, R.incarnata, R. granulosa, spp. nn., same locality, 
id. t. c. pp. 95-102. 
Pisidium. 19 species from deep water of Swiss Lakes enumerated and 
discussed by Forel, (133) p. 198. P. giraudi , sp. n., Lake Tanganyika, 
Bourguignat, (41a) p. 105. P. sp. indet., found in well near Courtenot ; 
Fischer, (124) p. 36. 
Soleilletia, g. n. “A small Pisidium, or minute Sphcei'ium, provided 
with the hinge of a Galatea, and having a certain marine appearance 
the right valve has one cardinal and two elongated lateral teeth, the left 
has two cardinals. For S. abbadiana , S. hamyana, spp. nn., Shoa. 
Bourguignat, (39) pp, 32-35, figs. 15-19. 
Cyrenimr 
Corbicula soleilleti, C. callipyga , C. gravieriana, spp. nn., Shoa, Bour¬ 
guignat, (39) pp. 36-38, figs. 12-14. C. tang any ikana, sp. n., Lake Tan¬ 
ganyika, id. (41a) p. 104. 
Petricolims. 
Choristodon (?) cancellatus , sp. n., Yerrill, (367) p. 435, off Chesapeake 
Bay, 70 fath. 
Cyprinid.e. 
Cyprina islandica, L., S.W. of Portugal, Nobre (280). 
Veneridas. 
Circe barandce, sp. n., Philippines, Hidalgo (181). C. bermiidensis , 
p. 143, pi. ii. fig. 1, Bermuda, C.jucunda, p. 144, pi. ii. fig. 3, Australia, 
arnica , p. 145, pi. ii. fig. 2, Tongatabu, C. gordoni, p. 146, pi. ii. fig. 5, 
Fiji, C. obliquissima, p. 149, pi. ii. fig. 6, Australia, spp. nn.; C. angasi, 
n. n., = C. australis (Angas), p. 148, pi. ii. fig. 4 : Smith (341). 
Cytherea ( Callista ) roseotincta , p. 136, pi. i. fig. 6, Philippines, C. 
Caryatis) regularis , p. 140, pi. i. fig. 8, Australia, spp. nn., id. t. c. 
pp. 136 & 140. 
Dosinia mira , sp. n., New Guinea, id. t. c. p. 152, ph i. fig. 3. 
Tapes intermedia, Q. & G., Campbell I. ; Filhol, (122) p. 543. 
Venus philomela, p. 117, pi. ii. fig. 7, Tristan da Cunha, V. ( Chione ) 
jacksoni , p. 123, pi. iii. fig. 2, Port Jackson, V. (C.) recognita, p. 125, 
pi. iii. fig. 5, Philippines, V. (C.) lionota, p. 126, pi. iii. fig. 7, New Guinea, 
