OF CONCHOLOGY. 31 



NOTICES AND REVIEWS 



OF 



NEW CONCHOLOGICAL WORKS. 



BY GEO. AV. TRYON, JR. 



I.— AMERICAN. 



American Journal of Science and Arts. N. S., Vol. 50. No. 150, Nov. 

 1870. 



Contributions to Zoology from the Museum of Yale College. 

 No. 8. — Descriptions of some Neiv England Nudibraneh- 

 iota. By A. E. Verrill. 



The following new species are described : 



Dendronotus robustus, Doridella, n. gen. 



Doris bifida, Doridella obscura. 



American Journal of Science and Arts. 3d Series, Vol. 1, No. 1. Jan. 

 1871. 



Descriptions of some imperfectly known and new Ascidians 

 from New England. By A. E. Verrill. 



Molgula Manhattensis, DeKay. Molgula littoralis, Verrill. 

 " pannosa, Verrill. " papulosa, Verrill. 



" retortiformis, Verrill. " pilularis, Verrill. 



No. 2. Feb., 1871. 



Same paper continued. 



Cynthia stellifera, Verrill. Cynthia echinata, Linn. 

 Ascidia monoceros, Moller. " pyriformis, llathke. 



Syn. C. condylomata, Packard. " pulchella, Verrill. 



Cynthia carnea, Verrill. Ascidia complanata, Fabr. 

 " placenta (pars), Packard. Ciona tenella, Stimpson. 



