ODONATA FROM TEPIC, MEXICO, WITH SUP- 

 PLEMENTARY NOTES ON THOSE OF 

 BAJA CALIFORNIA. 



BY PHILIP P. CALVERT, PH.D., 



Instructor in Zoology, University of Pennsylvania. 



Plate XXV. 



PAOE. 



CONTENTS. 



Introduction 371 



Part I. Odonata from Tepic, Mexico 372 



Part II. Supplementary Notes on the Odonata of Baja Cal- 

 ifornia 408 



Part III. Notes on Some of the Internal Organs 410 



Index 417 



Explanation of Plate 418 



Introduction. 



A report on the Odonata of Baja California, collected 

 by the various expeditions of the Academy, was published 

 by the author in a former paper. 1 With the last installment 

 of material from that region was also sent a collection from 

 the West Mexican coast, made by Dr. Gustav Eisen and 

 (the late) Mr. Frank H. Vaslit, in October and November, 

 1894. It consists of 526 specimens (294 males, 232 females) 

 representing 42 species and varieties. Of these, five spe- 

 cies are new — Argia Harknessi, Brechmorhoga postlobata, 

 Macrothemis inacuta, Trithemis Montezuma and Anatya 

 normalis;- two species, Argia Apulia and sEschna macromia, 

 have not previously been known north of South America, 

 Anax amazili not farther north than Guatemala, and Lestes 

 tenuatus from no other localities than the Antilles. The 

 insects were placed in alcohol and as their colors were thus 



Proc. Cal. Acad. Sci., 2nd Sen, Vol. IV, 1893-94, PP- 463-55S, Pis. XV-XVII. 



[371 ] May 6, 1899. 



