444 OBSERVATIONS, [November^ 



tencd hind foot into, and destroys the oyster; the same 

 strange story is related of Z. hastata. This story may 

 have arisen from the accidental insertion of the foot into 

 the oyster, for in this case the oyster would close his 

 shell and detain the foot, and perish in this position. This 

 supposition was suggested to me by seeing an Ardea 

 herodias flying with a pendant leg, to the toe of which 

 a Venus mercenaria was attached. 



In the description of the parasitic worm, p. 67, the 

 words " body silvery above and spotted with red," should 

 be struck out, and substituted by et/es two, black, oblong. 

 It stands thus in the MSS. and how the error has occur- 

 red I know not. It is most probably a Fasciola, 



LupA pelagica is not uncommon on the southern 

 coast. 



Hipp A talpoida. If Fabricius gave a false character 

 to the //. emeritus, as Mr. Latreille supposes, in attribut- 

 ing to the terminal joint an ovate form, it is very pos- 

 sible that there is but one species of the genus. 



Stenosoma irrorata. The female is blackish, some- 

 times immaculate, usually margined with whitish, some- 

 times with large, white, marginal spots. The male is 

 pale immaculate. 



Length, male nine-tenths, female nearly seven- tenths 

 of an inch. 



•The tail of Idotea chelipes, Latr. is described as tri- 

 dentate, but the character *' pedibus subchclatis," whence 

 its name, is so remarkable, as to forbid the supposition 

 of its being the same as this. 



