320 SUPPLEMENT. 
Hab. Costa Rica, Cartago (Van Patten!); Panama, Chiriqui (mus. D.). 
In 1872 Dr. Butler and I suggested that giale was more nearly allied to the 
Castniide than to the Hesperiide. The material in our possession is still not large 
enough to enable us to make many points of structure clear by dissection. 
2. Megathymus neumoegeni, (Tab. LXIX. figg. 3,0; 4,2.) 
Megathymus neumoegeni, W. H. Edwards, Papilio, ii. p. 27 (1882) *. 
Hab. Norta America, Southern Arizona 1—MExico (er coll. Saunders), Northern 
Sonora (Morrison). 
There is also a male of this species from Mexico in Dr. Staudinger’s collection. 
3. Megathymus smithi, sp.n. (Tab. LXIX. fig. 5, 3.) 
Male. Primaries and secondaries dark brown; the primaries with a small spot at the end of the cell, 
three spots beyond it on the costal margin near the apex, and a submarginal row of small spots extending 
almost to the anal angle, the cell pale yellow, the fringe alternately pale yellow and brown ; the secondaries 
with a submarginal row of rather indistinct yellow spots extending from near the apex to the anal angle, 
the fringe white; the underside of the primaries brown, with the spots as above, but larger and whiter, 
that of the secondaries brown, broadly bordered with grey from the base to the anal angle, and with two 
zigzag white lines crossing from the costal to the inner margin: head, thorax, and abdomen dark brown, 
the underside of the palpi and part of that of the thorax white; antenne brown above, white beneath, 
the tip black. Expanse 2 inches. 
Hab. Mexico, Amula in Guerrero 6000 feet (H. H. Smith). 
One specimen, captured in September 1888. This species is allied to M. indecisus, 
Butl. & Druce. 
CASTNIA (I. p. 24). 
Castnia atymnius (I. p. 25). . 
To the localities given, add :—GuatTEMALA, Volcan de Santa Maria, Pacific slope 
(Richardson); Nicaracua, Matagalpa (Richardson); Panama, Taboga I. (Mathew, in 
mus. D.). 
The specimens from Taboga Island are very small, but do not differ in any other 
respect. 
Castnia inca (I. p. 26). 
To the localities given, add :—Mexico, Tampico in Tamaulipas (Richardson), Atoyac 
in Vera Cruz (Schumann). 
9(a). Castnia staudingeri. (Tab. LXVIII. fig. 8.) 
Castnia staudingeri, Druce, Ann. & Mag. Nat. Hist. (6) xviii. p. 28 (1896) *. 
Primaries reddish-brown, shading to yellowish-brown in the middle; a large brown spot at the end of the cell 
and three smaller brown spots near the anal angle; two round hyaline white dots near the apex; the 
fringe yellowish-brown ; secondaries deep orange, shading to pale yellow in the middle and on the inner 
margin, the base black, thickly clothed with dark brown hairs; a wide band of deep black submarginal 
