MOtLUSCA. 
297 
Class BEAOHIOPODA. 
Terebratulid^e. . 
MeeKj F. B. Observations on the microscopic shell-structure 
of Sph'ifer cuspidatus (Sow.) and some similar American 
forms. Proc. Acad. Nat. Sc. Philad. 1865, pp. 275-277. 
The punetate structure may be seen distinctly in American 
specimens ; they possess, also, exactly the internal characters of 
the genus Syringothyris, It is recommended to British natu- 
ralists to examine British specimens of Spirifer cuspidatus in 
order to ascertain whether thej'^ agree in these two points with 
American ones. 
Terehratula unguicula, sp. n.. Carpenter, Proc. Zool. Soc. 1866, p. 201, with 
a woodcut, from California. 
Terebratulina cailkti^ sp. n., Crosse, Journ. Conch, xiii. p. 27, pi. 1. tigs. 
1-3, Guadeloupe. 
Kramsma picia (Val.) has been found by Von Frauenfeld on the shore of 
the isolated island St. Paul in the southern part of the Indinn Ocean, at- 
tached to stones, a few Inches below low-water mark. Verb, zool.-bot. 
Gesellsch. Wien, 1865, p. 891. 
, ^ lllIYNCHONELLIDA5. 
Carpente^i,^ W. B. On the microscopic striicture of the shell 
of Rhyhchonella geinitziana. Ann. & Mag. Nat. Hist. 
1865, November, pp. 305^^307. 
A reply to a paper of Prof. King in the August number of 
the same journal (p. 124). 
