812 
ALLOTINUS. By H. Fruhstorfer. 
Under surface darker than in Javanese specimens, with more pregnant brown small spots. Bali, flying from 
niceralus. July to September. — niceratus Fruhst. Sumbawa. Under surface not purely white as in bajanus, but dirty 
white with dark clouds. The macular series of the median and submarginal zones lighter brown than even 
georgius. in the Javanese form. Type in the British Museum. — georgius Fruhst. from Bohol, Mindanao, was figured 
by Semper as A. horsfieldi. Under surface the most similar to the South Borneo-race eurytanus Fruhst., but 
on a darker ground, more intensely spotted in brown than the specimens from Borneo. The sexual spot is still 
more stunted than in posidion from Java. 
A. horsfieldi is to be considered as the most common species of the whole Gerydinae; A recognizable 
by the extensive androconium on the upper surface of the forewing, whereby a contrast is produced with the 
Allotinus having been dealt with so far, all of which exhibit smaller sexual spots. Under surface varying in 
the colours and marbling according to the habitat and at some places also according to the season. The $ 
has rounder wing-contours, and the hindwings are more sharply dentate. Uncus-sheets considerably longer 
than in posidion, the apex distally produced, the dorsum considerably depressed. The valve is most charac¬ 
teristic, very long, narrow, cymbiform, with a long, projecting, sharp point. The shape of the uncus varies 
somewhat according to the insular habitat; in specimens from Sumatra it is still more projecting and more 
slender than in Javanese AS- In a specimen from Borneo we notice an abnormal formation by the uncus-plates 
coniincn- being considerably shortened. — continentalis Fruhst. inhabits Inclo-China from Bhamo to Singapore. The 
talis. sexual spot of the upper surface is uncommonly broad, the $ with a red-brown brightening in the cell-apex 
of the forewing. The under surface is intensely marbled in brown. A. horsfieldi was observed by Col. Barrow 
in Burma, who was struck by the butterflies abiding for such a long time at one place. But before they definitely 
settled down for a rest, the little insects sat down but for some moments and repeated this flying up and down 
for about twenty times. Barrow was also interested in the long legs of the Allotinus and he found that they 
are very well fitted to enable the A. horsfieldi to sit above a great number of aphis. The horsfieldi, according 
to his observations, tickle the aphis with their small legs, exactly as the ants do with their antennae, and seem 
to feed from their secretions. Often there are already ants sitting beside the aphis. But they are also covered 
by the long legs of the Allotinus and even large ants either do not pay any attention at all to the horsfieldi, 
or they only glance at their legs for a while, just as if to see who it is. Barrow, however, never observed the 
permagnus. ants attacking horsfieldi. (Statements from Bingham 1. c.) — perniagnus Fruhst. West Sumatra, North East 
Sumatra. Both sexes more imposing than Javanese specimens. Under surface with more prominent macular 
bands and larger, black, antemarginal dots. There are, moreover, two colorial deviations from permagnus from 
intricata. Sumatra: a) forma intricata Fruhst. Ground-colour darkened, chalk-coloured, with a less prominent and light 
infumata. brownish-grey speckling than in the chief form permagnus. b) forma infumata Fruhst. Under surface brownish- 
satdUticus. grey with an intense and more red-brown marbling. — satelliticus Fruhst. Engano, Nias. Under surface the 
most similar to the dry period form from Java, greyish-white with an indistinct, neat, brown spotting. $ above 
characterized by a yellowish-white, transcellular, discal brightening bearing a striking resemblance to the 
horsfieldi. sexual spot of the AS- — horsfieldi Moore. West Java, East Java. An insular race figured at first by Moore 
and quite correctly denoted by him to be cream-coloured beneath, differs from the vicarious types, beside the 
preponclerately yellowish total colouring of the under surface, also by the less intense brown marbling from 
the Macromalayan sister-races. Examples from East Java are beneath more chalky white than those from 
apries. West Java. — apries Fruhst. (Ill g) from the island of Borneo is in its size somewhat inferior to permagnus 
from Sumatra. Under surface of a peculiar bluish white, the A of a very delicate brown, the $2 more densely 
speckled with greyish-brown. Of the $ there are before me the two forms being analogous to intricata Fruhst. 
and infumata. Fruhst. and differing slightly in the colouring, and there exist examples in which, like in A. unicolor 
Fldr., the grey, submarginal macular series of the under surface of the forewing is increased. It is not unlikely 
that among the abnormal forms there are some more species hidden that have hitherto not been recognized 
Icos. and resemble A. horsfieldi. — 3eos Druce above more intensely brown than horsfieldi, the androconial spot- 
paler and more prominent. Under surface dark grey, the terminal row of the spots on all the wings very distinct. 
^ above dark brown, in the disc of the forewings unnoticeably paler, under surface paler than in the A- Hind- 
wings more sharply dentate than in the $ of A. horsfieldi. Island of Cagayan, a number of specimens collected 
reverdini. in June. Unknown to me in nature. — reverdini subsp. nov. from Mindanao replaces horsfieldi in this island. 
Semper confounded horsfieldi with A. posidion georgius Fruhst. and figured only the smaller posidion in his 
work. In his collection there were also real’ horsfieldi which, as is often the case in species from the Southern 
Philippines, are quite closely allied to the Celebes-race. But Mindanao-specimens are somewhat lighter and 
less densely dotted than the AS of macassariensis. Denominated out of respect to Prof. Dr. J. Reverdin as 
the expression of my gratitude for a large series of microscopic slides by which he aided my studies on the 
macassa- Gerydinae. — macassariensis Holl. (141 h), described from South Celebes, was collected by myself on the Peak 
riensis. 0 f Bonthain yet at an altitude of 1000 m in March, in North Celebes at the sea-shore in December. Northern 
examples are beneath more densely and more intensely spotted in brown. An excellent insular race, the AS 
equalling the Javanese in the habitus, the $$ being of a still more imposing shape. The sexual spot of the AS 
is shorter and paler than in A. horsfieldi. Under surface characteristic by uncommonly prominent, terminal 
