PROSOBRANCHIATA. 
Moll 75 
Megasurcula, n. gen. for Surcula carpenteriana, Gabb, &c. ; Casey, Tr. Ac. 
St. Louis xiv, p. 147. 
i Microsurcula, n. gen., type M. nucleola, n. sp.. Eocene; Casey, t. c. 
p. 154. 
Mitromorpha volva, Sby., var. ; Smith, J. Malac. xi, p. 31. 
Orthosurcida^ n. gen. for Pleurot. longiforma (sic), Aldr., and Surcula 
transversaria^ Lamk. ; Casey, Tr. Ac. St. Louis xiv, p. 151. 
Parviterehra, n. gen., type P. paucivolvis, n. sp., Japan; Pilsbry, P. Ac. 
Philad. 1904, p. 5, fig. 
Philhertia papillosa^ Gulf of Gabes ; Pallary, J. Conchyl. lii, p. 220, fig. : 
n. sp. 
Pleurotomidce, on classification ; Casey (98) : P. travancorica, Smith, 
n. var. ; Smith (579). 
Pleurotoma trypanodes, Arabian Sea ; Melvill, P. Malac. Soc. London vi, 
p. 57, fig. : P. {Surcula) viargaritcE, ofi" the Andamans ; Smith, 
Ann. Nat. Hist, xiii, p. 458 : P. {Oligotoma) patricia^ {Surcula) 
halici/ria, Gulf of Oman; Melvill, P. Malac. Soc. London vi, p. 164, 
figg. : P. {Genota) stearnsiana, p. 1, { Aiitiplanes) catalince^ p. 2, Cali- 
fornia ; Raymond, Nautilus xviii : n. spp. 
i Protosurcida, n. gen., type Pleurot. gabbi, Conrad; Casey, Tr. Ac. 
St. Louis xiv, p. 144. 
fRuscida, n. gen. for Filsus plicatus, Lea, and R. extricata., n. sp. ; Casey, 
t. c. p. 161. 
fSurcido7na, n. gen. for Pleiwot. tabulata., Conr., &c. ; Casey, t. c. p. 153. 
Terebra histrio., Desh., is West African ; Ancey, Nautilus xviii, p. 21 : T. 
hedley^ Tate, is an unnecessary name ; Smith (580). 
Terebra suspensa., Port Alfred; Smith, J. Malac. xi, p. .30, fig.: T. Iiedleyi^ 
p. 3, hizeneasis, awajiensis, p. 4, Japan; Pilsbry, P. Ac. Philad. 
1904, figg. : n. spp. 
Tomopleura, n. gen., type Pleurotoma iiivea^ Phil. ; Casey, Tr. Ac. St Louis 
xiv, p. 138. 
iTropisurcida, n. gen. for Drillia caseyi., Aldr., and T. crenula^ n. sp. ; 
Casey, t. c. p. 153. 
t Varicobela, n. gen., type Strombus smithi, Aldr. ; Casey, t. c. p. 162. 
RACHIGLOSSA. 
Olivid^, Marginelltdje, Volutid^, and Mitrid^e. 
Ancilla albozonata, reevei, Port Alfred ; Smith, J. Malac. xi, p. 29, figg. : 
n. spp. 
Marginella {Cryptospira) robusta, Ascension Island; Sowerby, P. Malac. 
Soc. London vi, p. 175, fig. : M. mimda, pura, p. 31, differens., dulcis, 
pseustes, p. 32, Port Alfred ; Smith, J. Malac. xi, figg. : n. spp. 
Mitra stephanucha, Melv., note on with n. var. ; Melvill, J. Malac. xi, 
p. 86. 
Mitra hirasei, Japan ; Pilsbry, P. Ac. Philad. 1904, p. 12, fig. : M. tune- 
tana, Gulf of Gabes; Pallary, Ann, Mus. Marseille viii, No. 1, p. 8, 
fig. : M. townsendi, Persian Gulf ; Melvill, P. Malac. Soc. London vi, 
p. 163, fig. : n. spp. 
Oliva gibbosa, Born, variation ; Melvill (435). 
Thala ogasawaraiia, Japan ; Pilsbry, P. Ac. Philad. 1904, p. 13, fig. : T. 
ceylamca, Ceylon; Preston, J. Malac. xi, p. 76, fig. : n. spp. 
Volvaria avena, n. var. ; Davis (181). 
Voluta brazieri, Cox, is, from the type, probably a monstrosity of V. 
deliciosa, Montrz. ; Smith, P. Malac. Soc. London vi, p. 178. 
