TABLE OF CONTENTS 



No. 129. Barbour, Thomas. — Xotes on Eeptiles and Amphibians from 

 Panama. 



No. 130. Williamson, E. B. — Notes on the Habitats of Some Tropical 

 Species of Hetaerina (Odonata). 



No. 131. Barbour, Thomas. — The Crocodile in Florida. 



No. 132. Barbour, Thomas. — West Indian Investigations of 1922. 



No. 133. Chamberlin, Kalph V. — Eesults of the Bryant Walker Ex- 

 peditions of the University of Michigan to Colombia, 1913, and 

 British Guiana, 1914. The Diplopoda. (29 plates.) 



Xo. 134. Williamson, E. B. — - A New Species of Archaeogomphus 

 (Odonata). (1 plate.) 



Xo. 135. Baker, H. Buniugton. — The Mollusca Collected by the Uni- 

 versity of Michigan-Walker Expedition in Southern Vera Cruz, Mex- - 

 ico, IV. (1 plate.) 



No. 136. Euthven, Alexander G., and Helen T. Gaige. — Description of 

 a New Species of Pipa from Venezuela. 



No. 137. Baker, H. Burrington. — The Mollusca Collected by the Uni- 

 versity of Michigan-Williamson Expedition in Venezuela. Part I, 

 Curacao. (5 plates.) 



Xo_ 138. Becker, Herbert Eay. — The Habitat of Aphredoderus sayanus 

 in Kalamazoo County, Michigan. 



No. 139. Ortenburger, Arthur I. — A Xote on the Genera Coluber and 

 Masticophis, and a Description of a New Species of Masticophis. (3 

 plates.) 



No. 140. Blanchard, Frank X. — A Xew Xorth American Snake of the 

 Genus Xatrix. (1 map.) 



Xo. 141. Dodds, G. S.— A Xew Species of Phyllopod. (1 plate.) 



Xo. 142. Blanchard, Frank X. — Comments on Ring-neck Snakes 

 (Genus Diadophis), with Diagnoses of Xew Forms. 



No. 143. Euthven, Alexander G. — The Eeptiles of the Dutch Leeward 

 Islands. 



Xo. 144. Hubbs, Carl L. — A Xote on the Species of Evermannichthys, 

 a Genus of Sponge-Inhabiting Gobies. 



Xo. 145. Winslow, Mina L. — Two Xew Freshwater Snails from Mich- 

 igan. (1 plate.) 



No. 146. Koelz, Walter. — Two New Species of Cisco from the Great 



Lakes. 

 Xo. 147. Euthven, A. G., and Helen T. Gaige.— A Xew Leposoma 

 from Panama. 



Xo. 148. Hubbs, Carl L.— Studies of the Fishes of the Order Cyprino- 



dontes. V. Xotes on Species of Goodea and SkiflSa. 

 Xo. 149. Euthven, Alexander G.— Description of an Ameiva from 



Testigos Island. 

 No. 150. Blanchard, Frank N.— A Xew Snake of the Genus Arizona. 

 No. 151. Dunn, E. R.— Some Panamanian Frogs. (2 plates.) 

 No. 152. Baker, H. Burrington.— Land and Freshwater Molluscs of t/ 

 the Dutch Leeward Islands. (21 plates.) 



