286 Scientific Intelligence. 
of one line. We find it stated further that in 0. Richmonda the stria 
are “finer and less rugose” than they are in O. Lasallensis while in 0. 
Pratteni they “are not so distant and not so rough,” as in either of the . 
other two, -_ as we have no m 
vcriel that 
access could be had to that book, and even then, such questionsas 
much smaller ?” or “how much larger?” cannot ‘be deéided. By add 
two or three lines to their descriptions, paleontologists may ade he 
deal to the — of their labors, and save others cane in the s 
reater retensions. We notice a new genus, (AMBOCEL ng 
grea a da, which is said to have hoon recently stable by | 
James Tall.” in the “ Regents’ Report of the State of New w blhel! I a 
present year,” (meaning 1859). Has this report been - bag 
not, then the genus is not established. No author can establis pots : | 
before he has ee — description, and, even then, he may 
ceed in shewing that it is new. 
The practice of dotedaatig. genera and species should be die 
nanced, as it cannot be beneficial to science. Where specific peers 
derived from names of persons or places, the initial should ‘ 
letter, a rule which has been of late much disregarded. ke ie iPod 
“xplorations in Nebraska.—Dr. F, V. Hayven, ina le 
Dawa, dated Deer Creek, Nebraska, Dec. he 1859, states, aft ‘Sei cal 
of the interest of the region, that as soon as the ae is su a at 
this coming Spring, and the swollen streams permit th 5 Fup Rel 
trains — cannot be sooner than the first of June apt. 
pro antics 9 River ie i 
her dive 
the head waters of the Missouri and descendi ae 
rs he to the States as soon as poss sible. Such is the ae 8 
plorations; it may be slightly varied, but in any case va 
country very interesting for geology. 1858 2 
Dr. Hayden, in addition to his geological labors, has — end of 
ested himself in ethnographical studies, and will have by 
trip material enough we a large volume on this subject. 
