1887.] 



NATURAL SCIENCES OF PHILADELPHIA. 



425 



during the year, but that owing to absence of members and other 

 causes, the attendance and interest has not been as great as in former 

 years, nor have the additions to the collections been as large, ex- 

 cepting those to the Vaux collection. 



It would also report that the officers elected for the ensuing year, 

 are as follows : 



Director, .... 

 Vice-Director, 

 Recorder and Secretary, 

 Treasurer, .... 



Conservator, 



Theo. D. Rand. 



W. W. Jefferis. 



Charles Scaffer. 



John Ford. 



W. W. Jefleris. 



Respectfully submitted, 



Theo. 



D. Rand, 



Director. 



Chas. Schaffer, 



Recorder. 



REPORT OF THE PROFESSOR OF INVERTEBRATE 



PALEONTOLOGY. 



The Professor of Invertebrate Paleontology respectfully reports 

 that during the year he has conducted a course of practical instruc- 

 tion in geology and paleontology, the course comprising some twenty- 

 five lectures in the class-room and nine field demonstrations. The 

 attendance in the lecture-room was about forty, and in the field 

 thirty or more. Much good work was done in the field, the two ex- 

 cursions to the marl diggings in the southern part of New Jersey, 

 adding considerably to our knowledge of the Tertiary fauna of the 

 State. Thirty species not hitherto recorded had been identified, 

 and three new forms determined. The existence of the Newer 

 Miocene deposits had also been determined by one of the members 

 of the class, Mr. Lewis Woolman, who has published a j^aper on the 

 subject in the Proceedings of the Academy. The undersigned has 

 Kkewise prepared a paper upon the New Jersey Miocene fauna, giv- 

 ing a complete list of the Miocene Molluscan species known to date. 

 The excursion supplementary to the general course, extended over a 

 period of nineteen days, comprising the region between the Del- 

 aware Water Gap and the Catskill Mts., and was participated in by 

 fifteen students. 

 28 



