170 
MOLLUSCA. 
C, (iSfemj^es?) laperousii (Desh.), Sitkha, distinct from S. grcenlandicus 
(Chemn.) : Dali, Am. J. Conch, vii. p. 148. 
Chamid.®. 
Chama inermis, sp. n., Dali, 1. c. p. 148, Central America. 
MYTILACEA. 
Kelliid^e. 
A list of the known species of this family by W. Tryon, P. 
Ac. Philad. iii. pp. 230-234. 
Montacuta hidentata (Mont.), from Kiel ; Meyer & Mdhius, Fauna &c. ii. 
pp. 85 & 80, pi. 13. figs. 0-11. 
Montacuta ferruginosa (Mont.)=^ewe//a (Lov^n) j on its distribution on the 
coast of Norway, Brogger, Bidr. Kristianiafj. moll. faun. p. 31. 
Turtmia occidentalism sp. n., Dali, 1. c. p. 150, pi. 14. fig. 12, Plover Bay, 
Eastern Siberia. 
Astartid.®. 
A list of the known species of this family by W. Tryon, P. 
Ac. Philad. iii. p. 248-258. 
Cyprina islandica (L.), from Kiel : Meyer & Mobius, L c. ii. pp. 92-94,pl. 16. 
Astarte sulcata (Dacosta), varr., Brogger, 1. c. p. 33. 
A, borealis (Chemnitz) \j=arctica (Cray)], from the western part of the 
Baltic ; A. sulcata (Dacosta) and compressa (Montagu), from Kiel : Meyer 
& Mobius, 1. c. ii. pp. 95-100, pi. 10. figs. 1-4, 5-7, and ^10. 
Rictocyma [Rhectocyma~\m subg. n. of Astarte \ sculpture consisting of broken 
nodulose waves, irregularly concentric. JR. mirahilisy sp. n., Dali, /. c. p. 161, 
pi. 14. fig. 0, Unga, Shuniagin Isles, N.W. America. 
Cardita ramdij sp. n., Angas, P. Z. S. 1872, p. 013, pi. 42. fig. 12, Cape 
Baoul) S. Tasmania. 
Ceropsis, subg. n. of Cardita. Right valve with a triangular cardinal tooth, 
left with a stout anterior and slender posterior cardinal tooth, diverging, and 
a very slight groove in the posterior margin j no lateral teeth. C. minimay 
sp. n., Dali, l.c. p. 162, pi. 16. figs. 6 & 6, Monterey, associated with Ilaliotis 
rufescens (? byssiferous). 
Unionid^. 
Unio crassus (Retz), a thick and short variety, yielding pearls, found in 
the river Aller, Sleswig, described by Kobelt, Mai. Blatt. xix. pp. 142-147, 
pi. 5. 
U. pictorum (L.), var. decollata (Held), with subvar. area (Held), in 
lake of Starnberg, the Ammersee and Chiemsee, S. Bavaria. Clessin, ibid. 
p. 123. 
U. lawleyanus (Centil.)=y*7/<e (Stabile), var. : Issel, Atti Soc. Ital. xv. 
pt. 1, p. 18. 
U. JiscallianuSy sp. n., Kleciach, Dalmatia, has the same relation to U. 
eUmgatulus (Mhlfld.) as U. platyrhynohus (Rossm.) to pictorum. Kobelt, 1. c. 
XX. pp. 92-95, woodcut. 
