yj^j^th in. thick ; the second is circular ai] 

 diameter. The latter is not found in the L: 



Cocrospheres of Huxley are of two kinds, 

 fiiistnles of the above species, the two diftere 

 rinp: mixed in one coccosphere. Carte 



Carter regards the coc 

 species of JMobesia.'' li 



. This,' Mr. Carter has not se< 



lish food for the h)W('r animals 

 they do for those aloii-- its 1., 





X^w Haven, Feb., 1867 to Ms 

 nmcli delayed by a fire, by wt 

 1869. It is entirely occupied by the " Notes on the Hadiata in 

 the Museum of Yale College," by A. E. Yerrill. Under this head 

 there are nine distinct articles : Xo. 1, Descriptions of Xew Star- 

 fishes from New Zealand; No. 2, Notes on the Kciiinodcrnis of 

 Panama and west coast of America, with Descriptions ot new 

 Genera and Species ; No. 3, On the Geographical Distril.ution of 

 Echinoderms of the west coast of America, with a Com])arison of 

 the Tropical Echinoderm-Faunoe of the east and west coasts 

 of America ; No. 4, Notice of the Corals and Echinoderms col- 

 lected by Prof. C. F. Hartt at the Abrolhos Reefs, Province of 

 Bahia, Brazil, 1867 ; No. 5, Notice of a collection of Echinoderms 

 from La Paz, Lower Cal, with Description of a new Genus; 

 ^0- 6, Review of the Corals and Polyps ol the west coast of 

 America (six plates) ; No. 7, On the Geographical Distribution of 

 the Polyps of the west coast of America ; No. 8, Additional Ob- 

 servations on Echinoderms, chiefly from the Pacific coast of 

 America; No. 9, On the Echino'derm-Fauna of the Gulf of 

 Uhfornia and Cape St. Lucas. All these articles, except the 

 three last, have been noticed in this Journal, from time to time, 

 when they have been published as separate pamphlets. 



Xos. 6 and 7 have also been issued under one cover, formmg a 

 pamphlet of 193 pages, with six plates. The early parts of No. 6 

 were noticed in this Journal last year. In the portion descnbing 

 the Madreporaria several changes have been f 

 ciassiheation, of which the most important is tl; 

 new sub-order ( Ocw?wacg«) to include Sti/lasteridce Gray (emend ), 

 ^jndinid^^ PocilliporidcB Gray, Stylophoridoi, f StylinM(x, As- 

 ^2^mdm, Garyophyllidm. Several changes are made m the limits 

 ana characters of the families and genera : Madreporidce is made 

 (as hy Prof. J. D. Dana) to include both Madrepora and JTonti- 

 y ; Astmngidoe is extended so as to include Cladocora^vd its 

 t^'fi^¥ (^ciryophyllidce of Edw. and Haime are divided into 

 two families, the second division, TurMnoUd(B, corresponding 

 nearly with Turbhiolinm E and H. ; Agaricidm Gray (emend.) 

 ^ adopted instead of Lophoserid(M. The relations of PociUipora 



