8 TABLE OF CONTENTS. 



Page. 

 CHAPTER XI. REPORT UPON THE COLLECTIONS OF COLEOPTERA MADE IN PORTIONS OF NEVADA, 



UTAH, CALIFORNIA, COLORADO, NEW MEXICO, AND ARIZONA DURING THE YEARS 

 1871, 1872, 1873, AND 1874. BY HENRY ULKE 809 



CHAPTKR XII. REPORT UPON THE COLLECTIONS OF HEMIPTERA MADE IN PORTIONS OF NEVADA, 

 UTAH, CALIFORNIA, COLORADO, NKW MEXICO, AND ARIZONA DURING THE YEARS 

 1871, 1873, AND 1874, BY PROF. P. R. UHLER 827 



CHAPTER XIII. REPORT UPON THE COLLECTIONS OF ORTHOPTERA MADE IN PORTIONS OF NEVADA, 

 UTAH, CALIFORNIA, COLORADO, NEW MEXICO, AND ARIZONA DURING THE YEARS 

 1871,1872, 1873, AND 1874, BY PROF. CYRUS THOMAS 843 



CHAPTER XIV. REPORT UPON THE COLLECTIONS OF NEUROPTERA AND PSEUDO-NEUROPTERA MADE 



IN PORTIONS OK COLORADO, NEW MEXICO, AND ARIZONA DURING THE YEARS 1872, 



1873, AND 1874, BY DR. H. A. HAGEN 909 



CHAPTER XV. REPORT UPON THE COLLECTIONS OF TERRESTRIAL AND FLUVIATILE MOLLUSCA 



MADE IN PORTIONS OF COLORADO, UTAH, NEW MEXICO, AND ARIZONA DURING 



THE YEARS 1872, 1873, AND 1874, BY DR. H. C. YARROW 923 



CHAPTER XVI. REPORT UPON THE COLLECTIONS OF FRESH- WATER LEECHES MADE IN PORTIONS OF 

 NEVADA, UTAH, COLORADO, NEW MEXICO, AND ARIZONA DURING THE YEARS 1872, 

 1873, AND 1874, BY PROF. A. E. VKRIIILL '. 955 



