CONTENTS. 



An Aid to a Collector of the Coelenterata and Echinodermata of New 



England, by J. Walter Fewkes, .... 1 



Annual Meeting, May 18, 1891, ..... 93 



Election of officers, 94; report of the secretary, 95; re- 

 port of the librarian, 99; treasurer's report, 102; auditor's 

 report, 103; lectures, 104; necrology of members, 119; 

 library, 121 ; cabinets, 184. 



An Undescribed Larva from Mammoth Cave, by H. Garman, . 136 



On a Tortoise found in Florida and Cuba, Ctnosternum Baurii, by 



S. Garman, ....... 142 



Geological and Mineralogical Notes, No. 3, by John H. Sears, . 145 

 Geological and Mineralogical Notes, No 4, by John H. Sears, . 156 



