508 Mr. J. E. Fain’ Description of 
distinct pedicel; each joint with two circlets of minute pores con- 
nected by longitudinal lines of similar pores very much as in Farqu- 
harsonia but the pores smaller and consequently less easily dis- 
tinguished. The antennae are very distinctly hairy; at the base 
of each of at least the first ten flagellar joints two or three straight 
bristly hairs on the upperside are distinctly longer and stronger 
than any others, the majority of the others being finer, paler, more 
curved, and especially numerous on the underside of each joint; 
appendix to apical joint with a few hairs on the ovate basal portion. 
Abdomen with rather shorter yellow bristly hairs and in addition 
with numerous very short adpressed, scale-like hairs. Ovipositor 
membranous, normally telescoped within the abdomen, but capable 
of very considerable extension, terminating above in two narrow, 
elongate, club-shaped papillae bearing a few short fine hairs, and 
beneath with two broadly sessile ovate lobes forming the lower 
lip of the oviduct. 
Length very variable—‘5 to 1°5 mm. 
[Hight g and 34 9 hanging from threads in a hollow 
in the trunk of Alstonia, containing part of the carton nest 
of Cremastogaster, Moor Plantation, 8. Nigeria, Aug. 11, 
1918. For Farquharson’s account of the “habits see pp. 
442-43.—H.B.P.] 
The genus Chaetodiplosis was described by Kieffer for 
the reception of C. tropica, a new species from Tayveta in 
British Kast Africa of which he appears to have seen only 
a single female specimen with damaged palpi. Farqu- 
harson’s species seems to agree sufficiently in venation, 
structure of antennae and ovipositor, as well as in having 
simple ungues and rudimentary empodium, to be congeneric. 
Certainly Kieffer described the ovipositor as having “un 
petit lobe ventral,’ whereas in gymnastica there are two 
lobes of which the greater part of each is embedded in the 
membrane of the lower lip of oviduct; also he laid stress 
upon the antennal joints having “ deux verticilles de poils 
dont linferieur a Wun cote des poils gros, raides et presque 
deux fois aussi longs que ceux de l’autre cdte,” while not 
mentioning the numerous fine curved hairs which exist 
beneath each flagellar joint in gymnastica. These differences 
however, do not appear to justify the separation of gym- 
nastica generically from tropica, especially so long as the 
male of the latter species remains undiscovered. 
A single female specimen of a quite distinct species was 
found among the numerous specimens of C. gymnastica 
