758 . Seientifie Serials. Ì [December, 
vanced. The subject was further considered by Messrs. Le Conte, 
Koenig, Kerr, and Gabb. 
The following papers were presented for publication : Report on the 
Hydroids collected on the Coast of Alaska and the Aleutian Isles by - 
W. H. Dall, United States Coast Survey, and party, from 1871 to 1874 
inclusive, by S. F. Clarke, with an introduction by W. H. Dall. De- 
scription of a Collection of Fossils made by Dr. Raimondi in Peru, by 
Wm. Gabb. The Rocks known as Mexican Onyx, by Mariano 
Barcena. 
The Academy has created thirteen professorships of the various 
branches of natural history, and has enacted that the council shall elect 
thirteen professors as soon as suitably qualified candidates shall offer. 
Applications for positions to be addressed to the president of the coun- 
cil or to the section of the academy to which the subject selected by the 
applicant has been confided, accompanied by such testimonials as he may 
be pleased to submit. No professor to be elected prior to the stated 
meeting of the council in October, 1876. It is the duty of each pro- 
fessor to preserve, classify, and increase the collections in his department, 
and report annually their condition and needs to the council, to give 
special or objective instruction to the beneficiaries of scholarships in the 
Academy, and to deliver courses of lectures under such regulations as 
the council may establish. No rate of compensation or source of com- 
“pensation has yet been provided. 
— 
SCIENTIFIC SERIALS." 
Montuty Microscoricat JourNaL. — October. Bastian and Pas- 
teur on Spontaneous Generation, by H. J. Slack. The Markings of 
Frustulia saxonica, by S. Wells. On the Present Limits of Vision, by 
R. Pigott. On the Structure and Development of Connective Sub- 
stances, by T. E. Satterthwaite. 
QUARTERLY JOURNAL OF MICROSCOPICAL Screncer. — October. 
Résumé of Recent Contributions to our Knowledge of Fresh- Water Rhi- 
zopoda. Part I. Heliozoa, by W. Archer. On the Coincidence of the 
Blastopore and Anus in Paludina vivipara, by E. R. Lankester. The 
Termination of the Nerves in the Vestibule and Semicircular Canals of 
Mammals, by U. Pritchard. 
‘Tur Grocrapnicat Macazine.— October. Servia, Bosnia, and 
Bulgaria. The Distribution of the Population in the Part of Europe 
overrun by Turks, by E. G. Ravenstein. The Fisheries of Denmark, 
the Faero Islands, and Iceland. Wrangell Land. Sketches of Life ın 
Greenland. A Peep into Kokan, by D. Ker. The Geographical Con- 
ference at Brussels. ; : 
AMERICAN JourNAL OF Science AND Arts. — November. Notice 
of New Tertiary Mammals, by O. C. Marsh. 
1 The articles enumerated under this head will be for the most part selected. 
