CONTENTS. 



Page. 

 Studies in the Ptinidae, Cioidae and Sphindidae of America. By Thos. L. Casey, 6i 

 The Life-Histories of the New York Slug Caterpillars.— XV. By Harrison G. 



Dyar, .... ..... .... 94 



Notes on Species of Noctua with descriptions of New Forms. By John B. Smith, 98 

 New Species of Noctuidae from Tropical America. By William Schaus, .... 107 

 On the Larvae of Certain Nematinae and Blennocampinas, with descriptions of New 



Species. By Harrison G. Dyar, .... 121 



New Species of Heterocera from Tropical America. By William Schaus ... 138 

 Descriptions of Larvae of Hemileucids from the Argentine Republic. By Harri- 

 son G. Dyar, .... .... 150 



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