A'ol. xxiv] ENTOMOLOGICAL NEWS 221 



petroleum in the oil well district for Psilopa petrolei ; although 

 I could not find the larva in the petroleum, I succeeded in get- 

 ting the adults on grass around the pools. In the same locality 

 was Pelastoneunis dissimilipes. 



On the beach at Santa ]\Ionica were many specimens of a 

 new species of Stichopogon, and on the surface of a brackish 

 pool close to the beach was a swarm of Ephydra millbrae. 



On the beach at Long Beach Lipochaeta slossonae was 

 abundant. 



At Lake Elsinore, an alkaline lake south of Riverside, I 

 captured the same beautiful new species of Tachytrechus that 

 I got at the south end of Great Salt Lake ; also a single speci- 

 men of a new species of Lispa, of which I later secured a pair 

 at fresh water at Lewiston, Idaho. Caenia bisetosa was the 

 most abundant insect at the shore. 



On the salt marsh adjacent to Palo Alto I collected several 

 specimens of a species of Canace, a very peculiar sort of 

 Ephydrid ; also Hercostomus metatarsalis, Pelastoneurus cya- 

 neus and Hydrophorus aestuum. 



A two days' trip of a strenuous sort was made to Clear 

 Lake, Lake County, Cal., from San Francisco, to ascertain 

 what sort of Ephydra it was of which the larva had been 

 named E. californica by Packard many years ago. As the 

 lake is fresh water, and not salt as Packard had been inform- 

 ed, it was evident that the larvae came from some other water. 

 I found that two borax ponds near the lake were well known, 

 and made a visit to one of these, where I speedily found E- 

 hians, which seemed to settle the identity of Packard's species. 

 I also found the same large, undescribed Lispa which accom- 

 panied hians on the shores of Great Salt Lake. 



The papers which I have published on the results of the trip 

 are the following: 



1. Larvae of a Saturniid Moth Used as Food by California Indians. 

 Jour. N. Y. Ent. Soc. xx. 1-4. i pi.; Mar., 1912. 



2. Flies of the Leptid Genus Atherix Used as Food by California 

 Indians. Ent. News, xxiii, 159-163; Apr., 1912. 



3. The BiologA' of Some Western Species of the Dipterous Genus 

 Ephydra. Jour. N. Y. Ent. Soc., xx, 77-99- 3 pl- : June, 1912. 



4. Two Western Species of Ephydra. Ibid., 100-103; June, 1912. 



5. The North American Species of the Dipterous Genus Lispa. 

 Jour. N. Y. Ent. Soc, in press. 



