FEbECYPODA. 
Moll. 81 
FjRYCINA cea. 
GaLEOM MIDAS. 
Lionelitctj n. g. : with regular shell, varnish-like epidermis, margins 
inclined rapidly towards each other and denticulate within ; for 
L. lionelita , n. sp., and Scintilla cumingii , Desh., Red Sea ; Jousseaume, 
p. 204. 
Scintilla oboclcensis, n. sp., Red Sea ; id. t. c. p. 202. 
Scinlillula , n. g. : oval and almost spherical, not gaping, with 
smooth margin and flattened apex ; for S. scintillula t n. sp., Red Sea ; 
id. t. c. p. 203. 
CARD1ACEA. 
Cardiidas. 
Trachycardium peregrinum,n. sp., Red Sea ; Jousseaume, p. 212. 
CHAM ACE A. 
Chamidae. 
Chama. 18 species described and figured, none new ; Clessin (3). 
CONCH ACE A. 
Veneridas. 
Cytherea mclina , n. sp., Red Sea ; Jousseaume, p. 206. 
C. (Cary a tin) hungerfordi , n. sp., Hong Kong ; Sowerby, (1) p. 212, 
pi. xi, fig. 4. 
Cyrenidj:. 
Pisidium piattii, n. sp., N. Italy ; Adami, p. 231. P. globulus f 
n. sp., Taguara, Brazil ; Clessin, (6) p. 173. P. dabncyi , redescribed ; 
Guerne, (1) p. 41. 
Sphcerium briandianum , n. sp., Hamburg ; Servain, (2) p. 310. 
Ungulinid^. 
Choristodon serricula, n. sp., Cochin China ; Rochebrune, (3) p. 48. 
SoLENIDAS. 
The Martini-Chemnitz monograph is completed, the following genera 
being included : — 
Cultellus, 20 species recognized ; Clessin (5). 
Pharella, 7 species recognized ; id. t. c. 
Machcera , 18 species recognized ; id. t. c. 
Solen. 50 species are recognized, and the following forms regarded as 
new : S. incerlus, Japan, p. 31, pi. xii, fig. 8, S. nitidus , Mexico, p. 34, 
1888. [vol. xxv.] d 10 
