PROCEEDINGS 



ACADEMY 'of SCIENCES. 



SECOND SERIES. 



Part 1. 



CONTENTS: 



Pauk 

 Reijort on some Mexican Hymen optera, principally fronl Lower Cali- 

 fornia. William J. Fox 1 



On a Collection of FormicidfB from Lower California and Souora, 



Mexico. Theo. Pergande -(> 



Tiinicata of the Pacific Coast of North America. 1. — Pc.rophora 



annecfcns u. sp. . William E. Piitter ^^7 



Studies in PortulacacesB. Katharine Brandegee 8(1 



Second Report on some Hvmenoptera from Lower California, Mexico. 



William J. Fox. 92 

 Some Parasitic Hymenoptei'a from Lower California. 



William H. Ashmead. 122 

 On Land and Fresh Water MoUusca of Lower California. No. 4. 



J. G. Cooper. l.-^O 

 Description of a New Species of Rilibon Fish, Trachtjpterns rex- 

 salmonontm, from San Francisco. 



David S. Jordan and Charles H. Gilbert. U4 

 Description of a little known Agouoid Fish, Hipporcjihnlusjaponiriis 



Frank Cramer. 147 

 Description of a New Wood-Rat from the Coast Range of Central 



California. W. W. Price l.")4 



Description of a New Species of Wood-Rat from Arizona. 



Flora Hartley, l.",; 



Formicida? of Lower California, Mexico. Theo. Pergande Kil 



On some Pliocene Fresh Water Fossils of California. J. G. Cooper. . KKi 



Studies in Ceauothns. Katharine Brandegee 17.*1 



Observations upon the Heteropterous Hemiptera of Lower California, 



with descriptions of New Species. P. R. Uhler 22:> 



Descriptions of three New Lizards from California and Lower California, 



with a note on Phryno.soma IdainvUUi. John Van Denbnigh 290 



The Coleoptera of Baja California. George H. Horn 302 



Notes on Crotalus Mitchellii and " Crotalns Pyvrhns." 



Jt)hu Van Denbnrgh. 4o() 

 Phi-yuosoma Solaris, with a Note on its Distribution. 



John Van Denbnrgh. 400 

 Descriptions of Four New Pocket Mice from Lower California, col- 

 lected by Walter E. Bryant. Dr. C. Hart Merriam 4.")7 



ISSUED SEFTE^fBEIi .'.s', ISU',. 



