JOURNAL, OF ENTOMOLOGY AND ZOOLOGY 165 



Pentidotea aculeatus n. sp. 

 Superfamily ASELLOTA 

 B. Family JANIRID^ 

 a. Genus Janira 



Janira occidenfalis Walker 

 Superfamily ONISCOIDEA 



A. Family TYLID.^ 



a. Genus Tylos 



Tylos punctatus Holmes and Gay 



B. Family ONISCID.^ 



a. Genus Alloniscus 



Allonisciis cornutus var. lagunae n. var. 

 Alloniscus perconvexus (Dana) 



b. Genus Philoscia 



Philoscia richardsonae Holmes and Gay 



Cirolana harfordi (Lockington) 

 (Figs. 1, 2, and 3) 



Locality — Very abundant under rocks between tides, at 

 Laguna Beach, California. 



Color — Great variation, some white with gray markings, 

 some shaded with yellow or orange ; females bearing eggs often 

 show a bright red coloration; in alcohol the specimens always 

 appear to be a sordid- white marked with gray. 



Body ovate, arched transversely and longitudinally. Speci- 

 men described measures 7 mm. by 3 mm. Head wider than 

 long, 2 mm. by 1 mm.; rounded on anterior margin. Eyes 

 small, composite, situated laterally and touch anterior margin 

 of first thoracic segment. First pair of antennte have a peduncle 

 of three articles of which the first and second are small and 

 subequal; third almost as long as first and second and nar- 

 rower; flagellum of ten articles. Second pair of antennae have 

 a peduncle of five articles: first three small and subequal; 



