oe 
376 Scientific Intelligence. 
during the past four years since the Mineralogy was published, and 
also notices of some important facts regarding a few o i 
The place of each new species in the system is shown b iving 
it a number corresponding to the position in the series, 19 of the 
so-called new species belong to the group of sulphides, arsenides, 
silicates; 23 hydrous silicates; 2 tantalates and columbates; 14 
phosphates, arsenates, etc.; 3 orates ; 4 tungstates, molybdates, 
vanadates ; 5 sulphates, chromates; 1 carbonate ; 1 oxalate; 7 car- 
ohydrogen compounds. 
7. Bentham, Revision of the genus Cassia, (From Trans, Linn, 
Soc., xxvii). Read March, 1869. Printed May-July, 1871. 4to, 
pp. 503-591, with 4 plates.—The earlier pages of this monograph 
ical affinity and geographical habitation mutually throw bi Fs 
h i 
a, 
“phenomena which may be shortly summed up as a general ditfu- 
sion of uniform primary types, with more or less of divergence 
munity of descent.” ‘To anyone who would see with what. good 
account this principle may be recognized and employed i a 
hands of a naturalist who is completely familiar with the kno 
facts, we commend the present brief discussion. : bythe 
Three sub-genera are admitted, and these are recognizable by 
flower as well as by the fruit. The first, Wistwla, has only ps 
admitted species; the second, Senna, over 160; the third, 
rhegma, about the same number. After vast pameigr 
Bentham has still to recognize 1338 species. One from A 
Am. 
bs : * er 
C. Covesti Gray, in Proceed. cad., vii, p. 399, has beac 
1 a su ts 
looked, naturally enough, as it was out of place in ip PP er 
tributed 
ssors of 
large herbari Neder ti the 
€ may here enumerate synoptically the species cargo the 
United States—all of them’ on the Atlantic side, or all ah 
Mexican frontier. One or two of them have not actually bee 
found within our territorial limits. 
