84 Moll . 
MOLLUSCA. 
Barleeia elonguta , n. sp. (= B. rubra var., Bucq., Dautz. & Dollf.), id. 
t. c. pp. 272 & 576. B. imbricata , n. sp., Fiji, Australia, Honolulu, 
Watson, p. 584, pi. xliii, fig. 2. 
Pyrgulopsis , n. g. “ Shell minute, conically turreted, somewhat elon- 
gated, imperforate, unicarinate ; apex acute ; aperture ovate ; peritreme 
continuous”: for Pyrgula nevadensis, Stearns, 1883 ; includes also P. 
miss issippi crisis, Illinois, and P. spinosus, Texas, n. spp. ; Call & Pilsbry : 
the latter probably referable to Potamopyrgus ; Pilsbry. 
Rissoa pyrrhias , 72. microstoma 1 W. Indies, R. xanthias, W. Indies, 
Pernambuco, R. fayalensis, Azores, R. amblia, Canaries, R. pernambuc- 
ensis, Pernambuco, n. spp., AVatson, pp. 588-591, pi. xliv, figs. 4, 5, & 7-10. 
R. ( Alvania ) didyma , W. Indies, R. (.4.) tarsodes, Azores, R. (A.) ira- 
jeetds , N. Australia, R. (A.) luscinice , Tristan da Cunha, n. spp., id. t. c. 
pp. 594-597, pi. xliv, figs. 1, 2, G, & 3. R. euchila , n. sp., = R. novarcnsis ) 
Wats, [nee Frauenfeldt), id. t. c. p. 602. R. jirolensa, R. neglecta , n. spp. 
(= R. variabilis varr., Bucq., Dautz., & Dollf.), France, Locard, (1) pp. 
256 & 575. R. verrilli , n. sp., North Sea, Friele, p. 27, pi. xi, fig. 5 a. 72. 
( Cingula ) islandica , n. sp., North Sea, id. op. cit. p. 28, pi. xi, figs. 8 & 9. 
R. ( C .) rusiica , Pernambuco, R. ( C .) scopulorum , Honolulu, R. ( G .) alve- 
arium , W. Indies, n. spp., Watson, pp. 604-606, pi. xliv, fig. 11, pi. xlv, 
fig. 4, pi. xlvi, fig. 1. R. ( Onoba ) brachia, W. Indies, R. (0.) aedonis , 
Tristan da Cunha, 72. (0.) mercurialis , N. Australia, n. spp., idL £. c. pp. 
599-601, pi. xlv, figs. 8, 5, & 12. 72. ( Ceratia ) glaphyra , 72. ((7.) macra, 
Tristan da Cunha, 72. (C.) pachia, Pernambuco, 72. (£'.) transenna, Prince 
Edward I., n. spp., id. t. c. pp. G01-604, pi. xlv, figs. 6, 7, 9, & 10. 72. 
( Scrobs ) scrobiculator , 72. (&.) badia, n. spp., Port Jackson, id. t. c. pp. 
611-613, pi. xlvi, figs. 4& 3. 72. ( Setia ) marionensis , R.'(S.) edivardiensis , 
Prince Edward I., 72. (8.) principis , Prince Edward I., Kerguelen, 72. (8.) 
australis , 72. (8.) sinajn, Kerguelen, 72. (8.) philomelcc , Tristan da Cunha, 
72. (8.) quisquiliarum , Azores, 72. (8.) triangularis , Ascension Is., n. spp., 
c. pp. 607-611, pi. xliv, figs. 12 & 13, pi. xlv, figs. 1-3, 11, & 13, 
pi. xlvi, fig. 2. 
Rissoina scalariformis, 72. honoluluensis, Honolulu, 72. triangularis , 72. 
mercurialis , N. Australia, 72. transenna , Fiji, n. spp., «77. 2. c. pp. 617-621, 
pi. xlvi, figs. 6-10. 
Hydrobiidac. 
Palnoarctic species of Hydrobiidai defined by Westerlund, (2) pp. 13-102. 
Bithinia chaperi f n. sp., Tonkin, Morlet, (4) pp. 263 & 286, pi. xiv, 
fig. 3. B. morleti , 75. subcarinata , 77. dautzejibergiana, n. spp., Hu6, 
Cochin China, Wattebled, pp. 62-65, pi. iii, figs. 8, 7, & 6. 
Jlydrobia texana , n. sp., Texas, Pilsbry. 
Limnotrochus appears to be related to Littorina, and especially Tecta 
rius\ Pelseneer, (4) p. 105. 
Lithoglyphus modestus, n. sp., Hunan, Gredler, (2) p. 17. 
Sqjekeia, genus unnecessary ; Pelseneer, (4) p. 106. 
Stenothyra tonldniana, n. sp., Tonkin, Morlet, (4) pp. 263 & 287, pi. xiv, 
fig. 4. 
