TABLE OF CONTEXTS 



Xo. 36. Wood. Xorman A. — Notes on the Mammals of Alger County, 

 Michigan. ( i map, 4 plates.) 



Xo. 2)7- Hankinson, T. L. — A Minnow Xew to the Michigan Fauna. 



Xo. 38. Walker, Bryant. — The Type of Pleurocera Rafinesque. 



X'n. 39. Ruthven, Alexander G. — Two X'ew Species of Eleutherodac- 

 tylus from Colombia, (i plate.) 



Xo. 40. Gaige, Helen Thompson. — Description of a Xew Salamander 

 from Washington, (i plate.) 



Xo. 41. Combs, A. F. — X'otes on a Collection of Odonata from School- 

 craft Count}', Michigan. 



Xo. 42. Winslow, Jklina L. — An Annotated List of Shells from North- 

 ern Michigan. 



Xo. 43. Ruthven, Alexander G. — A X'ew Amphibian of the Genus 

 Eleutherodactylus from the Santa Marta Mountains, Colombia, (i 

 plate.) 



X'o. 44. Barbour, T. — A Most Regrettable Tangle of X'ames. 



X'o. 45. Walker, Bryant. — The ^^lethod of Evolution in the Unionidse. 



Xo. 46. Pearse. A. S. — Isopoda Collected by the Bryant Walker Ex- 

 pedition to British Guiana, with Xotes on Crustacea from Other 

 Localities. 



X'o. 47. Ruthven, Alexander G. — On the Occurrence of Bujo foi\.'!cri 

 in Michigan, (i plate.) 



X'o. 48.. Andrews, A. W. — Coleoptera Collected in X'ortheastern Ne- 

 vada by the Walker-Newcomb Expedition of the University of Mich- 

 igan. 



Xo. 49. Walker, Bryant. — Xotes on the X'orth American X'aides, I. 



X'o. 50. Wood. X'orman A. — X'otes on the Birds of Alger County, 

 Michigan, (i map.) 



X'o. 51. Winslow. Mina L. — Plciirobciiia clava (Lam.) and Plaiiorbis 

 dilataliis biwhaiiciisis (Lea) in Michigan, (i plate.) 



