PROSOBRANCHIATA. 
Moll. 69 
Lippistcs rollei , Japan ; Martens, Archiv Naturg. lxiii, p. 174, figg. : n. sp. 
Motlcria quadrat , British Columbia; Dall (110), p. 15, fig. : n. sp. 
Molleriopsis , n. gen. for M. abyssicola , n. sp., N. America; Bush, Tr. 
Connect. Ac. x, p. 137, fig. 
Monilca astrolabensis, p. 15, climacota , p. 16, Mekran Coast, nedyma y 
Persia, p. 17; Melvill, Mem. Manchester Soc. xli, No. 7, figg. rn.’spp. 
Monodonta bourcieri , is a synonym of M. alveolata , A. Adams ; Smith, 
P. Malac. Soc. ii, p. 231. 
Monodontella , n. subgen. of Monodonta , for M. labio , L. ; Sacco (403), 
pt. xxi, p. 23. 
Neritina covjluens , Flores and Adonara; Martens (281), p. 81, fig. : n. sp. 
t Ormastralium , n. subgen. of Astralium , for Turbo ftmbriatus , Bors. ; 
Sacco (403), pt. xxi, p. 15. 
Phorculellus , n. n. for Pliorculus , Montrs. non Cossmann; Sacco (403), 
p. xxi, p. 35. 
\Pseudonina , n. subgen. of Collonia , for jP. bellardii , Micht. ; Sacco (403), 
pt. xxi, p. 9. 
Pseudotorella minuscula , N. America; Bush, Tr. Connect. Ac. x, p. 118, 
fig. : n. sp. 
S 'olariella splendens, p. 18, fig., sculpta , p. 29, S. Africa ; Sowerby (433) : 
n. sp. 
Striqosella , n. subgen. of Calliostoma , for Trochus strigosus, Gmel. ; Sacco 
( 403), pt. xxi, p. 49. 
Thalotia beluchistana , Mekran Coast; Melvill, Mem. Manchester Soc. 
xli, No. 7, p. 17, fig. : n. sp. 
T/iarsiella , n. gen. for T. romettensis , Seguenza; Bush, Tr. Connect. Ac. 
x, p. 113. 
t Trochocerithium, n. gen., for Trochus turritus , Bon. ; Sacco (403), pt. xxii, 
p. 26. 
Turbo ponsonbyi, S. Africa; Sowerby (433), p. 17, fig. : n. sp. 
Turcicida normani , Azores ; Dautzenberg & Fischer, Mem. Soc. zool. 
France, x, p. 172, fig. ; & (117), p. 42 : n. sp. 
Vitrinella tryoni , N. America; Bush, Tr. Connect. Ac. x, p. 123, fig. : n. sp. 
PLEUROTOM ARlIDiE, BELLEROPHONTIDiE, and FlSSURELLIDAS. 
t B ellerophontacea; ii. sub-order, to include 23 genera which they divide 
into 5 families : Cyrtolitidce , Protovjarthiidce , Bucaniidce , Bellerophon- 
tidee , and Carinaropsidce ; Ulrich & Scofield, Geol. Surv. Minnesota, 
iii, p. 2, p. 844. 
+ Bucanopsis , n. g., type B. carinifera , n. sp. ; Ulrich, Geol. Surv. 
Minnesota, iii, pt. 2, pp. 853 & 922. 
t Bucanospira, n. g. for B. expansa, n. sp. from the Upper Silurian of 
Western Tennessee; Ulrich, Geol. Surv. Minnesota, iii, pt. 2, 
p. 1044, figg. 
t Clathrospira, n. g., type Pleurotomaria subconica , Hall; Ulrich & 
Scofield, Geol. Surv. Minnesota, iii, pt. 2, p. 954. 
t Cojiradella, n. g., type C. obliqua , n. sp. ; Ulrich & Scofield, Geol. 
Surv. Minnesota, iii, pt. 2, pp. 851 & 904. 
t Cyrtolitina, n. g., type Cyrtolites lamellifer , Lindstrom; Ulrich & 
Scofield, Geol. Surv. Minnesota, iii, pt. 2, pp. 847 & 866. 
f Dyeria, n. g. for Cyrtolites costatus , James; Ulrich, Geol. Surv. Minne- 
sota, iii, pt. 2, p. 1044, fig. 
tEoTOMACEA, n. sub-order for Pleurotomariidce, Trocliidce , Fissurcllidat and 
allies; Ulrich & Scofield, Geol. Surv. Minnesota, iii, pt. 2, p. 930. 
t Eotomaria y n. g., type E. sublcevis (Ulrich), n. sp. ; Ulrich & Scofield, 
Geol. Surv. Minnesota, iii, pt. 2, p. 954. 
