Annals of the Transvaal Museum. 
163 
A $ specimen from the same locality and donor has the following 
characters : — dentition resembling that of the £ in respect to the relative 
size of the third and fourth teeth : the posterior median angles of the 
halves of the first abdominal sternite are rounded but not produced ; 
lieadplate and chelicerae chestnut brown : length of tibia of pedipalp 
10*2 mm., of metatarsus and tarsus of pedipalp 10* 75 mm., of tibia of 
fourth leg 9, of metatarsus of fourth leg 8 * 5. 
Text fig. 24. Solpuga serraticornis , Purcell var. nov. umtalica (c£). Showing flagellum and 
portion of left upper jaw viewed from inside. 
Zeriassa, purcelli, sp. nov. (text fig. 25). 
Type. A single $ example from Newington, N. E. Transvaal, 
presented to the Albany Museum by Dr. J. P. Fenoulhet. 
Flagellum. Free portion short, reaching back only just beyond the 
posterior margin of the basal enlargement, flattened throughout its length 
and twisted outwards distally, the apical portion being flattened laterally, 
though somewhat obliquely, whilst the basal portion is flattened from 
above ; near the end it widens a little, and the apex is notched, a short 
minute hook-like extension projecting posteriorly from the lower side of 
Text fig. 25. Zeriassa purcelli , sp. nov. (c^). Showing portion of left upper jaw from inside, 
and of right lower jaw from outside. 
the notch. Basal enlargement longer than high, the posterior and dorsal 
margins forming an acute angle with each other, the most elevated and 
posterior portion of the latter having a serrated edge, and forming a well 
developed projecting keel which is raised above the exposed outer turgid 
portion of the basal enlargement. 
Upper jaw of mandibles. First tooth rather small, second large, third 
fourth and fifth progressively increasing in size, the third being small and 
the fifth about as big as the first, sixth large : all the teeth of the single 
series are separated from each other, the interval between the fourth and 
