216 Miscellanies. 



7. Description of new species of MoUusca and Shells, with re- 

 viarks on several Polypi, 6fc., found in Massachusetts Bay ; by Jo- 

 seph P. CoTJTHOUY. From the Journal of the Boston Soc. Nat. 

 Hist. Vol. II. 



We are pleased to see so much critical knowledge and laborious re- 

 search brought to bear on the shells and polyps of our coast, as is_^ 

 evinced in the article before us. Its zealous author has discovered 

 nearly all the shells herein described, in the entrails of the sea fish, 

 brought to the Boston market. 



The following are the short specific descriptions of the new species; 

 we have not space to copy the remarks or figures which accompany 

 them. Massachusetts Bay is the locality of the species, when not 

 otherwise stated. 



TuBXJLiFERA STELLIFERA. T. tubulis brcvibus, simplicibus, aggre- 

 gatis, carnosis, stellis parvulis purpureis coronatis. Hab. Boston har- 

 bor ; grows about the bottom of the piles at Craigie's bridge. 



HoLOTHURiA CHRYSACANTHOPHORA. H. tcntaculis — 1 corporc 

 molli, cylindrico, cinereo-lutescente, spinis aureis, exilibus, frequenti- 

 bus instructo. 



Tellina sordida. Test^ ovali, compress^, albid^., epidermide 

 cornea tecta; dentibus cardinalibus valva dextra duobus, altero sim- 

 plici, altero bifido, sinistra plerumque obsoletis ; lateralibus posticis 

 remotis ; intus alba. Hab. Boston Bay. 



Cardium pubescens. Testa mediocri, oblique rotundatS,, sub- 

 aequilaterali, cinerescente ; costellis 36, ciliatis ; umbonibus tumidis ; 

 natibus approximatis; margine crenato ; intus albo-lutescente. 



NucuLA MYALis. Test&, ovata, sub-equilaterali, laevi, concentrice 

 zonata ; latere postico longiore et latiore, rotundato, antico sub-ros- 

 trato ; natibus approximatis ; dentibus rectis ; epidermide olivaceo- 

 nigricante. 



N. Tenuisculata. T. elongata, insequilaterali ; latere antico lon- 

 giore attenuato, rostrato, postico rotundato ; umbonibus prominulis, 

 concentrice confertimque striatis, tenuissimeque sulcatis ; colore vi- 

 rescente. 



Terebratula septentrionalis. T. obovata, tenui, albid^, valv^ 

 majore apud apicem coarctata, radiatim creberrime striata, nate emar- 

 ginata foramine magno semi-elliptico, margine non inflexo, denticu- 

 lato. 



EoLis BosTONiENsis. Corpore oblongo, capite brevi, tentaculis 

 quatuor, branchiis cirriformibus, purpureis, apicibus albis, utrinque 

 fasciculis quinis ; pede amplo, postice per-acuto ; tentacularum cau- 

 daeque extremitatibus cyaneo tinctis. Hab. Tide water of Charles 

 River, Mass. 



