CONTENTS. 



For Announcements, Reports, etc., see General Index. 



PAGE 



Baxks, Nathan. New Oribatidte from the United States 



(Plates XIV-XVIII), 490 



Blatchley, W. S. On Some Reptilian Freaks from Indiana, 419 



Brown, Stewardson. Botanizing in the Canadian Rockies, . 429 



Chamberlain, Ralph V. A New Lithobius from Colorado, . 3 

 Fowler, Henry W. Some Cold-blooded Vertebrates of the 



Florida Keys (Plates III and IV), 77 



Further Knowledge of Some Heterognathous Fishes, Part I, 293 



Note on the Dusky Salamander (Plate XIII), ... 356 



Description of Two New Species of Centropomus, . 423 



Further Knowledge of Some Heterognathous Fishes, Part II, 431 



Some New and Little-known Percoid Fishes, 510 



McIndoo, N. E. On Some Fishes of Western Cuba, .... 484 

 Moore, J. Percy. Additional New Species of Polychaeta from 



the North Pacific (Plates X, XI, XII), 217 



Descriptions of Two New Polychseta from Mexico, 352 

 Descriptions of New Species of Polychseta from the South- 

 eastern Coast of Massachusetts (Plate XIX), . .501 



Oberholser, Harry C. A Monograph of the Genus Collocaha, . 177 



Pilsbry, Henry A. Description of a New Australian Glycymeris, 213 

 Pilsbry, Henry A., and C. M. Cooke, Jr. On Hawaiian Species 



of Sphyradium, 215 



I'lLSBRY, Henry A., and J. H. Ferriss. Mollusca of the South- 

 western States, II (Plates V-IX), 123 



Mollusca of the Ozarkian Faima (Plates XX, XXI. XXII), . 529 

 Rehn, James A. G. Studies in South and Central American 

 Acridinse (Orthoptera), with the Descriptions of a New 



Genus and Six New Species, 10 



Records and Descriptions of Non-Saltatorial Orthoptera 



from British Guiana, 262 



Descriptions of Five'New Species of Orthoptera from Tonkin, 279 



