30 N in-., in 1 1 B. 



densely with whitish hairs; hum-lies 9, glassy, intense gr 

 : i 12 mill. (Roch''I>i: in Bull. Sue. Philomath. 



1880-'81, p. IK -hyl. 1**1, p. 44.) 



Rock* of Dakar, west Africa (Paris Mus.'\ 



A( \i.i.Ksr Rochehr. Shell elongated, thick, 



almost always covered with a calcan us incrustation; anterior valve 



seniilunar; posterior valve rounded, small; intermediate valves 



led in front, semi-lunate behind: liirhtly scaly at the base 



only. Marginal lii:am.-nt very broad, olivaceous, having sparse, 



whitish I..IIL: hairs; 9 wide greenish bunches. Length 24, breadth 



14 mill. (Rochehr. in Hull. Soc. Philom. Paris, 1880-'81, p. 117 ; 



n. deConchyl. 1881. p. 



Coast of Joalle*; rocks of Rufaque, West Africa (Mus. Paris.) 



OH IINM-ITS Hlainv. (Diet. Sc. Nat. xxxvi, p. 552). A 



.p, i,- -aid to be from the Oeean coast (of France), iiirured in the 



dop, M.'th., pi. 163, t'. 14, 1"), copied from Chemnit/. vol. \, 

 pi. IT-'I, f. 1688. It is practically unidentifiable, but the figures were 



in all probability drawn fmm .!<,, //,,/, //,'.< ill^crepans. 



CIIII-.N POLTCHBTU8 Blftioville. Body very small, oval; girdle 

 ; with 9 closely placed pain of large tufts, the spioaleB equal, 



nail; the disc of the intermediate valves quite 

 large and having 5 nearly equal sides; plates of insertion moderate, 

 Dnifissate far back ward ; that of the posterior valve with 3 nearly 

 equal lobes. Color greenish-brown. < />/'//.. Diet. Sc. Nat. xxxvi, 



Seas of y< a- 



U'N* RO6EUS lilainville. Body oval, a little elongated, sub- 

 11 ; L'irdh- much extruded, -ovrn-d with a very great 

 quantity of cn-w i ulin- the very -mall tults of bri-tles. 



Bodi' ..f the Intermediate Valvei -ul. triangular, the antcrir 

 summit- truncated : e.vered with flat tubercles at the sides. Color 

 of the shell rose; the rest of a gray black. (Blai/ .. Diet. Be, Nat. 



XXN 



New II<)//<D,<I. 

 ably a species of Notoj 



I BUI ri:n lilainv. P,..dy small. ..val, <>///>.<-like. Girdle 

 with ! pairs .t tutt- ..f .pute small bristles. Intermediate valv.- 

 having the body trapezoidal, with a brash-like group of stria in the 



