Mat 1, 1922 Vol. VIII. pp. 25-26 



PROCEEDINGS 



OF THE 



NEW ENGLAND ZOOLOGICAL CLUB 



A NEW FORM OF EDOLIUS FORFICATUS (LINNE) 



BY OUTRAM BANGS AND THOMAS EDWARD PENARD 



An interesting form of Edolius forficatus, differing from that 

 inhabiting the main island of Madagascar, is found on the 

 island of Anjouan, one of the Comoro Islands northwest of 

 Madagascar. We propose to name it 



Edolius forficatus potior subsp. nov. 



Type, Museum of Comparative Zoology, no. 232,371, adult; Anjouan 

 Island, Comoro Islands; collected by Humblot. 



Subspecific characters. — Similar to Edolius forficatus forficatus (Linne) 

 of Madagascar, but larger throughout; bill heavier and longer; coloration 

 about the same. 



measurements (in millimeters) 



E. f. potior. — Type, adult: wing, 134.5; tail to fork, 101.0; tail to end, 



135.5; tarsus, 23.0; culmen to base of forehead, 29.0. 

 Topotype, M.C.Z., no. 86,803, adult: wing, 137.0; tail to fork, 100.0; 



tail to end, 134.5; tarsus, 24.5; culmen to base of forehead, 28.0. 

 E. f. forficatus. — Five males: wing, 127.5 (123.0-130.5); tail to fork, 89.6 



(87.5-91.0); tail to end, 126.4 (119.0-132.0); tarsus, 21.7 (21.0-22.0); 



culmen to base of forehead, 25.0 (24.0-26.0). 



Five females: wing, 123.4(120.0-126.0); tail to fork, 86.6 (84.5-90.5); 



tail to end, 122.1 (119.0-131.0); tarsus, 20.1 (19.0-21.0); culmen to 



base of forehead, 25.1 (24.0-26.0). 



