Botany and Zoology. 417 
find onty one Rs two species of madreporarian corals, and these 
were Astran 
2d. The. Beasitixn fauna bears a close resemblance to the West 
Indian, and there are man y representative species. Thus the Side- 
J vida 
8 
ida, are representatives of West Indian forms; and a ong the 
Haleyon oids, ni ir SE do represents the RiSpidigbe pics of the 
West Indian fau 
“3d. The ableton’ in the Brazilian fee of the genera Madrepora, 
Pile ein Diploria, Manicina, Cladocora, Oeutina, genera so char- 
acteristic of the West Indian rtiia 3 is notewort 
“4th. The Brazilian corals form extensive oe which occur 
ee sas weak from the “ Roccas,” north of Cape St. Roque, to the 
Abrolhos. The genera which contribute most to the reefs are Acan- 
chor Favia, Heliastrea, Siderastrea, Porites, and Millepora, but 
re, 
patches occur Bk aie on the coast farther north, and the exten- 
sive reef of the Roccas, in ai latitude of the island of Fernando 
(sing. chapeirao). In they are only a few yards in 
diameter, w while their jig ma rea 40-50 feet or more. ese cha- 
veal wap sometimes coalesce to form 
Notice “ a Collection. ‘ "Riles From La Lower 
California, with a Description of a new Genus of Stores; hy A. E. 
Verrit. From Transactions of the Conn. Academy of and 
Sciences, vol. i, April, 1868.—This list Mondincs additional infor- 
mation concerning the fauna of the Gulf of California, Several 
rare species are enumerated and Tripneustes depressus A. Ag. is, for 
the first time, described, and also a new genus and species of star- 
fish, Ambi ef insignis Verrill. 
‘The rants liye is allied to Oreaster, and still more so to 
Nidoreilia Gray. Itis d epressed, five-rayed, covered on both sides, 
with large, po: ygonal seal beste Wek all of those of the back bearin; 
Am. Jour. Scr.—Ss. oL. XLV, No. 135.—Mar, 1868, 
7 
