C urrespondence. 125 
men o^ Cf'mfiorarix (irKnn'iKitii Tlall from the ■\Vati'rlimi> of liuffalo. N. 
Y., (t. W. 8ton(>. 
TTf. Paprrx in Srii'ittijir ,T<iii i-niils. 
JoiH'. of Geo!.. Sept. -Oct., ].S!)4. contains: Tln' Ccnozoic (l('[)osits of 
Texas, E. T. Diimblc: Outline of Ocnozoic history of a porlion of the 
middle Atlantig slope, N. II. Darton; The Metaniorpliic series of ^^h.-ista 
county, California, .1. P. Smith; Supeff^Iacial drift. K. I). Salisbury. 
Amer. Naturalist, Oct., 1804, contains: The duration of Xiayara falls, 
J. W. Spencer. 
Ottawa Naturalist, vol. S, Xo. (i, Sept.. ]8iM, contains: Notes on the 
"Quebec group," 'Y. ( '. AVeston; Notes on f(jssils from (^urbcc ( 'it> , ( 'an- 
ada, H. M. Ami. 
Canadian Record of Science, \(il. '^. No. S, contains: I)escrii)t ion of 
two species of ammonites from the Cretaceous rocks of the Queen Char- 
lotte Islands, J. F. Whiteaves; The World's Oeoloirical Congress, II. M. 
Ami. 
Amer. Jour. Sci., Nov., 1894, contains: Origin of bituincns-a retro- 
spect, S. F. Peckham: Study of tlie cherts of Missouri, E. O. Ilovey: 
Copper crystals in aventurine glass, H. S. Washington. 
/r. E.vrerpf.s and Indindual Publiraf/'oiin. 
Fossil Sal \inias, inchuling description of a m-w species, b\' Arthur 
Hollick. Bull. Torrey iJotanical Club, vol. 2\, pp. •r)3--2.")7, pi. 20.-). 
June. 1894. 
The Preglacial channel of the Cenesee river, by A. ]\I. Crabau. Proc. 
IJoston Soc. Nat. Hist., vol. 20, pp. 359-369, Sept. 8, 1894. 
Ore deposits of Camp Floyd district, Tooele county, I'tali. by U. C. 
Hills. Proc. Colorado Sci. Soc, 13 pj). 
V. Pro»eediiigi< of Snenfifc Lahordfuriis^ dr. 
Bulletin, Dept. of Geol., Univ. of (California, vol, 1, No. o, contains: 
The Iherzolite-serpentine and associated rocks of the Potrero, San Fran- 
cisco, Charles Palache. No. G contains: On a rock from the vicinit3' of 
Berkeley containing a new soda amphibole, Charles P;ilache. No. 7 
contains: The geology of Angel island, F. L. Ransome; A note on the 
radiolarian chert from Angel island and from liuri-buri ridge, San 
Mateo county, California. (J. .1. lliiide. 
CORRESPONDENCE. 
'"Cephalopou BE(iiNNiX(is." In the December (1894) number t)f "Nat- 
ural Science," Dr. F. A. Bather has generously devoted considerable 
space to a critical review of somi.'of my recent papers pertaining to early 
stages of cephalopod shells, all of which have been publislied in the 
American CJeolckust.* So im[)ortant do the primitive shell-characters 
in this grou[» of beings ap[)ear, that such a review from .so well-equipped 
*The Protoconch of Orthoceras, xii. pp. 1 12-115. iS93; The Eady Stages of Bactrites. 
XIV, pp. 37-43, 1894; Nanno, a new Cephalopodan type, xiv, pp. 205-208, 1894. 
