CONTENTS: 



Paob 

 On the Varioiis Stages of Development of Spevmatobium, with Notes 



on other Parasitic Sporozoa. Gnstav Eisen 1 



Catalogue of Marine Shells, collected chiefly on the Eastern Shore of 



Lower California. J. G. Cooper 34 



Notes on a Specimen of Alepisaurus sesculapius Bean. Flora Hartley. 4i> 

 Description of a New Jack-Kabbit from San Pedro Martir Mountain, 



Lower California. John M. Stowell 51 



A Supplement to the Bibliography of the Palteozoic Crustacea. 



Anthony W. Vogdes. 53 

 A Keview of the Herpetology of Lower California. Part I — Keptiles. 



John Van Deuburgh. 77 

 On Land and Fresh Water Shells of Lower California. No. 5. 



J. G. Cooper. 163 



On West Mexican Land and Fresh Water Mollusca. J. G. Cooper. . . . 166 



On Heteromorphic Organs of Sequoia semper virens. Alice Eastwood 170 



California Water Birds. No. 1. Leverett M. Looniis 177 



Coleoptera of Baja California. Supplement 1. George H. Horn 225 



Third Eeport on some Mexican Hymenoptera. William J. Fox 260 



The Neocene Stratigraphy of the Santa Cruz Mountains of California. 



George H. Ashley. 273 

 Changes in Fauna and Flora of California. — On the Power of Adapta- 

 tion in Insects. H. H. Behr 368 



The Fishes of Sinaloa. David Starr Jordan 377 



Some Mexican Neuroi^tera. Nathan Banks, 515 



The Species of the Genus Xantusia. John Van Denburgh 523 



A List of Lichens collected by Mr. Eobert Eeuleaux in the Western 



Parts of North America. Dr. Stizenberger 535 



Some Parasitic Hymenoptera from Baja California and Tepic, Mexico. 



William H. Ashmead. 539 

 A Keview of the Herpetology of Lower California. Part II — Batra- 



chians. John Van Denburgh 556 



The California Phryganidian. Vernon L. Kellogg and F. J. Jack .... 562 

 Description of a New Species of Gobiesox from Monterey Bay, Cali- 

 fornia. Seth Eugene Meek and Charles J. Pierson 571 



On the Cranial Characters of the Genus Sebastodes. Frank Cramer. . 573 



Contributions to Western Botany. No. VII. Marcus E. Jones 611 



Explorations in the Cape Kegiou of Baja California. Gustav Eisen. . 733 

 Notes on the Habits and Distribution of Autodax lecanus. 



John Van Denburgh. 776 

 Description of a Ne^y Species of Eauzauia from the Hawaiian Islands. 



Oliver P. Jenkins. 779 



