Appendix. 603 
Megarhinus guadeloupensis. Dyar and Knab (1907). 
Wash. Smithson. Misc. Coll., 50, 254 (1907). 
Locality. —W. Indies. 
Megarhinus septemtrionalis. Dyar and Knab (Sept. 1906). 
Megarhinus herrickii. Theobald (Nov. 1906). 
Vide Journ. N. York Ent. Soc. XY., 12 (1907). 
Genus Janthinosoma. Arribalzaga. 
Janthinosoma vanhalli. Dyar and Knab (1906). 
Proc. Biol. Soc. Wash. XIX., 134 (Sept. 1906). 
“ Hind legs with outstanding scales ; thorax golden yellow scaled 
above; no blue spot on the last two abdominal segments below; else 
as in J. sayi, Dyar and Knab. 
Seven specimens, Paramaribo, Surinam (Dr. Van Hall, through 
U.S. Dept. Agriculture). 
Type in U.S. Nat. Mus.” 
Janthinosoma champerico. Dyar and Knab (1906). 
Proc. Biol. Soc. Wash. XIX., 134 (1906). 
“ Hind legs with raised scales ; last two joints of hind tarsi white ; 
abdomen all yellow scaled below ; else as in J. lutzii , Theobald. 
One specimen, Champerico, Guatemala (F. Knab). 
Type in U.S. Nat. Mus.” 
Janthinosoma coffini. Dyar and Knab (1906). 
Proc. Biol. Soc. Wash. XIX., 134 (1906). 
“ Hind legs without raised scales ; tarsi without pale basal bands ; 
penultimate joint of hind tarsi white, the last dark; thorax all yellow 
scaled above; tips of mid and hind femora dusky. Agrees with the 
description of J. varipes, Coquillett, but a careful examination of the 
types of that species shows there to be dark scales on the centre of 
the thorax and that it is a synonym of J. discrucians, Walker, as 
identified by Coquillett. 
Eight specimens, Nassau, Bahamas, B.W. I. June 22, 1908 
(T. H. Coffin). 
Type in U.S. Nat. Mus.” 
Janthinosoma floridense. Dyar and Knab (1906). 
Proc. Biol. Soc. Wash. XIX., 135 (Sept. 1906). 
“ As in J. texanum , Dyar and Knab, but the thorax violet blue. 
The pale abdominal bands are powdery, interrupted dorsally and 
