Miscellanies. — _ 187 
the undertaking of which, it is well known that he was-encouraged by 
the late Baron Cuvier, an individual who well knew i into what ele 
to direct the attention of his friends and pupils. — 
The author remarks in the preface of his first volume, “In no ee 
ment of American Zoology is there so much confusion as in Herpetology. 
This is to be traced partly to the earlier naturalists, partly to the practice 
of describing from specimens preserved i in alcohol, or from prepared skins. 
I have endeavored to avoid error in this respect, by describing, in every 
instance from the os animal, and often after a comparison of. mes 
individuals.” a 
The first volume contains an exttenlly tee essiay ¢ on n theo: 01 
of Reptiles, and descriptions of the following species: Testudo Pol, 
mus, Emys hieroglyphica, E.. megacephala, E. Troostit, E. Muhlenbergit, 
ehiina sex-lineata, Anolius Carolinensis, Scincus lateralis, Bufo Ameri- 
canus, B. clamosus, Engystoma Carolinense, Scaphiopus solitarius, Rana 
halecina, R. palustris, R. sylvatica, R. ornata, Hyla versicolor, H. squi- 
ella, Coluber flagelliformis, C. meer noe C. a €. 
eryt mmus, C. abacurus. 
“The second volume contains the following species : Bays redonk! 
ensis, BE. terrapin, E. picta, E. guttata, E. serrata, E. rubriventris, E: 
reticulata, E. floridana, E. mobilensis, Salamandra dorsalis, 8. sytamet> 
rica, S. gutto-lineata, Trigonocephalus piscivorus, T. contortrix, Crota- 
lus delice: C. adamanteus, C. durissus, Elaps fulvus, Coluber erythro- 
gaster, C. fasciatus, ‘Heterodon platirhinos, Scincus erythrocephalus, 
Heterodon niger, Coluber getearyis, e. tarispiltus, C. punctatus, Cc. 
a@stivus, C. elapsoides. 
‘We regret to learn that the first volume is nearly or quite out of print. 
It is to be hoped, however, that a second impression will soon be supplied. 
From the preface of the secodbd volume we perceive, that drawings are 
ready for the third volume,-which will er meninees sigh two vee 
béfore the — will be exhausted. d 
> Second Part to aes s Desstigites Measvabitd is now seein 
for the press, and will shortly be published by Wiley. & Putnam, of 
New York, and Grigg & Elliot, of Philadelphia. Tt is intended to em-— 
brace a view of the progress of the science since 1835, the year | in which 
the first part of the work-was printed. 
Rp. Bitipipe mouth for Oxygen and H; ydrogen. ite the late edition 
of Dr. Turner’s Chemistry, much credit is given to Prof. Daniell, of 
London, for the invention of a new jet to the compound blowpipe, which 
is calculated greatly to. increase the safety of that-apparatus. Mr. Daniell 
as also given an engraving and description of the same, in the Philoso- 
- phical. Magazine, Vol. Il, p. 57, 3d series. The jet, about 5 inches in 
length, is composed of two concentric tubes, each terminated by plati- 
