May, 1920] Studies in Food of Spiders 223 



rolled between the heavy cheliceras until there was nothing 

 but a mass of fine pulp. 



The following is the record of the insects placed in the cage 

 with the spider: 



July 22 — Larva of LachnorAerna, Drasteria crassiuscula, Promachus 

 vertebratus, Pseudopyrellia cornicina. 



July 23 — Chrysopa ocidata, Cicada linnet. 



July 24:—Tipula flavicans, Melanoplus differentialis. 



July 25 — Eristalis tenax, PeUdnota punctata* Ischnopetra penn- 

 sylvanica* 



July 2G — Larva of ElateridcB (Probably Ludius attenuatus) . 



July 29 — Dissosteira Carolina. 



July 30 — Two Gryllus abbreviatus. 



August 2 — Apis mellijica* Microcentrum retinerva.* 



August 6 — Diplax rubicundiila. 



August S — Larva of Papilio polyxenes.* 



August 9 — Larva of Cucujus clavipes, Larva of Tenebria molitor, 

 Drasteria erechta. 



August 10 — Oecanthns niveus, Coccinella 9-notata. 



August 11 — Musca domestica. 



August 12 — Nabis ferus, Lygus pratensis. 



August 13 — Formicidce* sp. undetermined. Tiphia inornata. 



August 16 — Tabanus lineolatus. 



August 20 — Oecanthus niveus, Melanostoma mellinum, Epicauta 

 pennsylvanica.* 



Lycosa fatifera Hentz. 



This spider is widely distributed and has been described 

 under a variety of names and conditions. Lycosa fatifera varies 

 from a reddish brown to black. It was common at Crestline, 

 Ohio, during the entire summer. I have found as many as three 

 individuals under one board but this is rather uncommon. One 

 may find one with but little search, however, by lifting up 

 boards and stones. It is found in meadows, in wheat fields, in 

 oats fields, and in fact it can be found most anywhere. 



Because of its wandering habits and comparatively good 

 powers of vision this spider is difficult to study in the field and 

 most of the records were obtained from specimens kept in 

 captivity. Like the other Lycosids this spider will not attack 

 insects with strongly chitinized bodies if other food can be 

 obtained. Coleoptera were nearly always refused. The chel- 

 icerae are large and strong and well fitted for crushing prey. 

 Small insects and larva are crushed and rolled into a mass of 



*Indicates the insect was not eaten, but was placed in the cage. 



