596 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 52. 



SAN JOSE, SANTA CLARA COUNTY, CALIFORNLA. 



San Jose is on the flat land at the extreme southern end of San 

 Francisco Bay. The collecting was done along Coyote Creek, a 

 sluggish mud-banked stream flowing through the city. 



1. HETAERINA AMERICANA (Fabricins). 



Four specimens taken May 16, 1914. 



2. ARCHILESTES CALIFORNICA McLachlan. 



Nymphs common. Have not collected at this place later than 

 July 4. 



3. HYPONEURA LUGENS Hagen. 



One specimen taken. Not common. 



4. ARGIA AGRIOIDES Calvert. 



Abundant during July when stream is most stagnant. 



5. ARGIA VIVIDA Hagen. 



Not common. 



6. ENALLAGMA CARUNCULATUM Morse. 



Common. 



7. ENALLAGMA CYATHIGERUM (Charpentier). 



Common. 



8. ENALLAGMA PRAEVARUM (Hagen), 



Not common. 



9. TELEBASIS SALVA (Hagen). 



Common. 



10. ZONIAGRION EXCLAMATIONIS (Selys). 



Occasional during May and June. 



11. ISCHNURA CERVULA Selys. 



Abundant. 



12. ISCHNURA PERPARVA Selys. 



Common. 



13. CELAENURA DENTICOLLIS (Burmeister). 



Occasional. 



14. CELAENURA GEMINA Kennedy. 



Pair in copulation. 



15. PROGOMPHUS BOREALIS McLachlan. 



Two seen. 



16. GOMPHUS SOBRINUS Selys. 



Very abundant during May, 1914; none seen during May, 1915; 

 this probably due to late rains (see p. 530) . 



17. ANAX JUNIUS (Drury). 



. Occasional. 



18. AESHNA CALIFORNICA Calvert. 



Abundant during May. 



19. AESHNA MULTICOLOR Hagen. 



Abundant during summer. 



