280 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I4I 



Melanerpes portoricensis (Daudin) 



Common name. — Puerto Rican woodpecker. 



Natural prey. — Pycnosceliis surinamensis, Puerto Rico (Wetmore, 

 1916) : One specimen found in 59 bird stomachs examined. 



Order PASSERIFORMES 

 Family FORMICARIIDAE 

 Gymnopithys leucaspis (Sclater) 



Common name. — Bicolored antbird. 



Natural prey. — Cockroaches, Panama Canal Zone (Johnson, 1954) : 

 This bird feeds on small cockroaches, and other arthropods, which are 

 flushed from their hiding places by swarms of the army ant, Eciton 

 burchelli. 



Family ORIOLIDAE 

 Icterus portoricensis (Bryant) 



Common name. — Puerto Rican oriole. 



Natural prey. — Cockroaches, Puerto Rico (Wetmore, 1916) : 

 Cockroaches and oothecae found in the birds' stomachs. 



Family CORVIDAE 

 Aphelocoma coerulesens (Bosc) 



Common name. — Florida jay. 



Experimental prey. — Pycnoscclus surinamensis, U.S.A., Florida 

 (Sanders, 1928). 



Cyanocitta cristata (Linnaeus) 



Common name. — Blue jay. 



Experimental prey. — Diploptera punctata, U.S.A. (Eisner, 1958). 



Eurycotis floridana, Neostylopyga rhomhifolia, and Periplaneta 

 americana, U.S.A. (Eisner, personal communication, 1958) : E. 

 floridana was only eaten after the odor of 2-hexenal, which was re- 

 leased by the insect on being attacked by the bird, had dissipated. 



Family PARADISEIDAE 

 Paradisea papuana Bechstein 

 Experimental prey. — Cockroaches, Malaya and on shipboard (Wal- 

 lace, 1869) : Two adult males fed voraciously on rice, bananas, and 

 cockroaches. Wallace collected cockroaches every night on board ship 

 to feed the birds. "At Malta ... I got plenty of cockroaches from a 

 bakehouse, and when I left, took with me several biscuit-tins full, as 

 provision for the voyage home." 



