38 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



small ; outer appendage chitinized, the apex slender and strongly 

 curved, the outer margin with several appressed teeth ; inner 

 appendage short, blunt, fleshy, the surface covered with setiger- 

 ous tubercles, two or three of the setae at the end of the ap- 

 pendage being much longer and stouter ; at the base of the 

 pleurites two elongate cylindrical arms, the larger of which is 

 provided with rows of long, curved hairs. Gonapophyses ap- 

 pearing as flattened plates with their caudal lateral angle pro- 

 duced into a long, straight point. 



Type of the sub-genus. — Limnophila ultima Osten Sacken 

 (Northern North America). 



The curious Tipulid that is here made the type of the new 

 subgenus, Neolimnophila, flies in the autumn and less com- 

 monly in the spring and so may be expected to be double- 

 brooded. The species ranges across the entire northern United 

 States and Canada, to British Columbia and Alaska. 



3. Limnophila subaptera Alexander 



1917 Limnophila subaptera Alexander, Canadian Entomolo- 

 gist, vol. 49, pp. 207, 208. 



One female specimen in the collection undoubtedly belongs 

 to this species although it differs considerably from the unique 

 male type. This specimen may be made the allotype. 



Female. — Length, 16 mm. ; wing, 2.4 mm. 



General coloration light yellowish brown, the pleura with a faint grayish 

 bloom. Legs comparatively stout, the coxae but little pruinose ; legs brown- 

 ish yellow, the femora and tibiae scarcely darkened apically ; the terminal 

 tarsal segments dark brown. Ovipositor with the tergal valves greatly ex- 

 ceeding the sternal valves in length, slightly upcurved, the tips subacute. 



Allotype, 9 (No. 721), Bubbs Creek Canon, Kings River, 

 Fresno County, California, altitude 9700 feet, July 9, 1910 

 (E. C. Van Dyke). 



Allotype in the collection of the California Academy of 

 Sciences. 



Genus Ulomorpha Osten Sacken 



The genus Ulomorpha was erected in 1869 (Monographs 

 Diptera North America, pt. 4, pp. 232, 233) to receive the then 



