CONTENTS OF VOLUME IV. 

 Plates I-XI. 



Title-page i 



Contents iii 



No. 1. The Reptiles and Amphibians of the Islands of the Pacific 

 Coast of North America from the Farallons to Cape San 

 Lucas and the Revilla Gigedos. By John Van Denburgh. 



(Plates I-VIII) 1 



(Published June IS, 1905) 



No. 2. The Species of the Reptilian Genus Anniella, with Especial 

 Reference to Anniella texana and to Variation in An- 

 niella nigra. By John Van Denburgh 41 



(Published December 2, 190S) 



No. 3. On the Occurrence of the Leather-back Turtle, Dermochelys, 

 on the Coast of California. By John Van Denburgh. 

 (Plates IX-XI) 51 



(Published December 2, 1905) 



No. 4. Description of a New Species of the Genus Plethodon (Pleth- 

 odon vandykei) from Mount Rainier, Washington. By 



John Van Denburgh 61 



(Published March 14, 1906) 



No. 5. On the Occurrence of the Spotted Night Snake, Hypsiglena 

 ochrorhynchus, in Central California ; and On the Shape 

 of the Pupil in the Reptilian Genus Arizona. By John 

 Van Denburgh 65 



(Published March 14, 1906) 



Index 69 



December 30, 1914. 



