160 JOUKNAX, OF ENTOMOLOGY AND ZOOLOGY 



Habitat: Chine swamjjs, rotten log; San Diego, flower pot; 

 San Dimas Canj'on, May. Clareniont, Indian Hill; Laguna 

 Beach, Sycamore Hill, February. This is one of the most 

 widely distributed of the Collembola and occurs abundantly 

 throughout P^urope and the United States. 



Entomohrya laguna Bacon 



(Plate III, Figs. 7-9) 



Entomohrya laguna Bacon, 1913. A New Sp. Coll. from Laguna 



Beach, Jr. ent. and zool., V, p. 202. 



Description: Length — 2 mm. Color — Dark brown mottlings 

 with yellow ground color except on ventral side of body, furcula, 

 thorax I, and the beginning of each segment ; antennae and legs 

 dark blue. Antenuse — Three times as long as head; four seg- 

 ments subequal in length, IV longest, I shortest, II and III 

 equal. Ocelli — Sixteen, eight in each eye spot, six large and 

 two smaller ones. Claws — Two, wide at base and then become 

 narrow and pointed; superior armed with two teeth opposite 

 each other and at the end of the dilated portion ; inferior armed 

 on the outer side about midway with a very minute tooth not 

 visible on some of the claws. On the three pairs of legs the 

 claws vary somewhat ; on the first the claws are about equal in 

 length and both about equal in length and in width at the base, 

 the inferior slopes abru])th' into a point; on second pair the 

 superior is the longest, the base of the inferior is not rounded 

 but changes abruptly, making an angle; on last pair the claws 

 are farther apart, equal in length and the inferior is more 

 curved than on any of the others. Furcula — Dentes and 

 mucrones a little longer than manubrium; dentes serrated and 

 densely covered with plumed hairs; mucrones, two teeth, no 

 base spine; distal tooth falcate. Integument — Body covered 

 with fine hairs with many large geniculate ones on the anterior 

 part of the body and short clubbed ones on the last segment 

 of the abdomen. 



Habitat: Laguna Beach, on the under side of large rocks 

 as far out in the water as it was possible to turn over the 

 stones. They were very abundant and were collected in great 

 numbers during July to September. 



