1877.] COLLECTION MADE BY H.M.S. ‘ PETEREL.’ 87 
LEPIDOPTERA. 
1. DEIOPEIA ORNATRIX, Var. 
Noctua ornatriz, Linneeus, Syst. Nat. ii. p. 829. 
One specimen, Albemarle Island, June 23, 1875. 
This is the less heavily marked form of the species, also taken in 
the Galapagos Islands by Darwin. 
2. CypDOsIA SYLPHARIS, sp. n. 
Primaries dark metallic green; an abbreviated subcostal longi- 
tudinal streak, a much longer longitudinal submedian streak, an in- 
terrupted longitudinal internal streak, a basicostal litura, several 
costal spots, a large oblique subapical spot, and a congregation of 
dots upon the disk towards the external angle silvery white; a spot 
above the end of the cell, and a second at external angle, bright 
golden; secondaries hyaline whitish, the veins brown; the borders 
brownish grey, diffused internally ; discoidal cell and area beyond it 
greenish iridescent ; thorax metallic green, spotted with white; body 
bronzy, greenish towards its anal extremity, white at the sides, 
primaries below shining brown, secondaries hyaline, with the veins 
and borders brown; pectus brown, spotted with white, anterior coxze 
golden ; venter bronzy green, with a central series of large white spots ; 
expanse of wings 1 inch 2 lines. 
One example, Albemarle Island, June 23, 1875. 
This and the preceding species, although sent in spirit, are in very 
fair condition. 
There are also in Commander Cookson’s collection two larvee of 
a Sphinz moth, two of a Geometer, and a pupa of (apparently) a 
Pyralide, from Charles Island. 
ORTHOPTERA. 
1. PANCHLORA SURINAMENSIS. 
Blatta surinamensis, Linnzeus, Syst. Nat. ii. p. 687. 
Charles Island (2 adult, 2 immature). 
2. PERIPLANETA AMERICANA. 
Blatta americana, Linnzeus, Syst. Nat. il. p. 687. 
Charles Island (2 adult examples). 
3. AGRECIA COOKSONII, 0. sp. 
Q. Above piceous or black, mottled with testaceous ; head almost 
uniformly black ; frons castaneous, testaceous at the sides; man- 
dibles black, castaneous at the base ; under surface of the body testa- 
ceous ; oviduct testaceous, its outer half blackish along the margins. 
Head dull, nearly smooth, rather broader than the prothorax, an 
obtuse prominence between the antennz ; antennze about twice the 
length of the body ; eyes very prominent ; frons shining, punctured 
in the middle ; mandibles deeply grooved externally ; thorax rugose, 
with lateral carina ; wings undeveloped ; abdomen obovate, dorsally 
