188 TRANSACTIONS OF THE [AprR. 24 
upon the (1) disposition and character of the lateral line organs, 
(2) pineal foramen, (3) nasal capsules, (4) dentary plates (homo- 
logics), (5) ginglymoid articulation of lateral shoulder plates, 
(6) character of ‘shagreen,’ (7) probable disposition of paired 
and unpaired fins. 
Prof. N. L. Brirron presented a ‘‘“Note on the Genus 
Lechea.’’? This genus of Cistinez is entirely American, and from 
the investigations of Mr, Wm. H. Lecerrr and Dr. Brirron 
appears to consist of about fourteen species. 
April 17, 1893. 
Stratep MEErtInG. 
President Boiron in the chair, and about sixty persons. 
present. 
Prof. W. Le Conte Srevens delivered the seventh lecture of 
the Public Lecture Course, 1892-1893 on ‘‘ Naples and Its. 
Surroundings,” fully illustrated by lantern slides. 
At the close of the address a vote of thanks was tendered the 
lecturer. 
April 24, 1898. 
Stratep MEeEeErtinc. 
President Botton in the chair, and thirty-six persons present. 
SECTION OF GEOLOGY AND MINERALOGY, 
Prof. Kempe exhibited four-toed tracks in Triassic Sandstone 
from McDowell’s Quarry, Upper Montclair, N. J. 
Dr. A. A. Juxien read a paper entitled ‘‘ A Study of the New 
York Obelisk as a Decayed Boulder,’’ illustrated by lantern 
slides. 
The following papers were read by title, ‘‘On the Organs of 
Special Sense in the Coccosteids,” by Dr. Bashford Dray. 
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