GASTROPODA (pECTINTBRANCHIa) . 
Moll. 49 
Triforis torticulus, hirciis, cylindrellus (^higemma, Watson var. ?), 
ahruptus, triserialis, intermedius^ colon and ihex, spp. nn., Yucatan Strait 
and Havana, 450-1002 fath., id. 1. c. pp. 82-86. 
Triforis (Ino) longissimus, sp. n. (26 mm.), id. 1. c. p. 81, locality not 
indicated, probably Gulf of Mexico. 
Melaniid^. 
Melania holandri (Fer.), Viwdi parvula (Schmidt), varieties and occur- 
rence in a part of Styria ; Tscbapeck, JB. mal. Ges. viii. pp. 101-107, 
pi. V. figs. a-h. 
Melania hoeana, provisoria and hocld^ spp. nn., Boea, Sumatra, Brot, 
J. de Conch, xxix. pp. 154-157, pi. vi. figs. 1-3. 
Melania (Sermyla) adrnirabilis and tang any icensis (E. A. Smith, 1880), 
M. {Melanella) nassa (Woodw.) and M. ( — ?) horei (E. A. Smith, 1880), 
all from Lake Tanganyika ; E. A. Smith, P. Z. S. 1881, pp. 291 & 292, 
pi. xxxiv. figs. 24-27. 
Paramelania, subg. u. of Melania ; shell solid, ovate-conical, longi- 
tudinally ribbed and transversely lyrate, epidermis thin, aperture ovate, 
indistinctly effuse, peristome thick. P. nassa (Woodw.), with varr. nn. 
grandis and paucicostata., P. damoni and crassigranulata, spp. nn., all 
from Lake Tanganyika, id. 1. c. pp. 558-561, with 2 woodcuts. M. nassa 
also figured by Crosse, J. de Conch, xxix. p. 113, pi. iv. figs. 3, 3a. 
Oncomelania, g. n. Shell near Melania^ perpendicularly ribbed, but 
aperture entire, outer lip strengthened by a strong varix ; operculum as 
in Melania. 0. hupensis, sp. n., Uchang-fu, China ; Gredler, JB. mal. Ges. 
viii. p. 120, pi. vi. fig. 2. 
Melanopsis acicularis and esperi (Fer.), in Styria; Tschapeck, JB. mal. 
Ges. viii. p. 107, pi. v. figs. l-n. 
Melanopsis tunetana, sp. n., Morlet, in Roudaire’s ' Rapport sur I’ExpA 
dition des Schotts’ 1881, p. 170, pi. vi. figs. 3 & 4, and J. de Conch, xxix. 
p. 346, pi. xii. fig. 3, Touzeur, Kris, K. Africa. 
Tiphohia Tiorii (E. A. Smith, 1880). Operculum paucispiral in the 
centre, surrounded by apparently concentric layers ; E. A. Smith, P. Z. S. 
1881, p. 293, pi. i. fig. 28 ; the shell also figured by Crosse, J. de Conch, 
xxix. p. 117, pi. iv. fig. 2. 
Syrnolopsis lacustris (E. A. Smith, 1881) ; Smith, 1. c. p. 288, pi. xxxiii. 
fig. 21 ; pillar with a single plait through all whorls, fig. 215, Lake Tau- 
ganyika. Also J. de Conch, xxix. p. 119, pi. iv. fig. 6. 
Paludomus hlanfordiana (Nevill) = lahiosa of Conchol. Indica, 
P. petrosa (Gould) = lahiosa (Bens.), andersoniana (Nevill), with varr. nn. 
myadoungensis and nana^ and P. 5w7’manica (Nevill), discussed and figured 
by Nevill, J. A. S. B. 1. pt. 2, pp. 159 & 160, pi. v. figs. 2-5. 
Larina cincta. (Nevill), id. 1. c. p. 161, pi. v. fig. 6. 
Rohinsonia (Hugh Nevill, 1869) is congeneric with Larina ; id. ibid. 
TuRRITELLIDiE. 
Turritella yucatecanum [-a], sp. n., Dali, Bull. Mus. C. Z. ix. p. 93, 
Yucatan Straits, 640 fath. 
