. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. of some Oriental Genera of My^Q\oTi\oxxi\idi. 169. At present I am disposed to think that, on the whole, the most primitive of these groups is C or D. For example, the strikers on the mandible in C are much less specialized than in A or B, since they are clearly nothing but long thickened hairs, whereas in A and B the hairs have been modified into granuliform spicules or genuine rigid spines. Moreover, A appears to be more specialized than B in the great development of its sco
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. of some Oriental Genera of My^Q\oTi\oxxi\idi. 169. At present I am disposed to think that, on the whole, the most primitive of these groups is C or D. For example, the strikers on the mandible in C are much less specialized than in A or B, since they are clearly nothing but long thickened hairs, whereas in A and B the hairs have been modified into granuliform spicules or genuine rigid spines. Moreover, A appears to be more specialized than B in the great development of its scopulas, which, I take it, is a criterion of specialization. In the same way E is more specialized than C, and thus approaches A; and, lastly, if the larger size of the fourth leg is a primitive character, as seems not unlikely, the group t> is more primitive than 0. —The species coming from British India, Burma, and Ceylon, which are here briefly described, I propose to discuss at greater length on some future occasion. Synoijsis of the Genera. a. Coxa of palp fumislied inside with scattered irre- gularly arranged longer and shorter spines and spiniform setse; without a fringe below the suture; mandible with a few irregularly ar- ranged, long, stout, but apically filiform setae, mixed up with the inferior fringe of red hairs. Haploclastus, Sim. b. Coxa of palp furnished inside with a cluster or row of club-shaped rods. a}. The outer surface of the mandible furnished below and behind with long stout seta3, as in Haploclastus; the inner surface of the coxa of the palp without so definite a fringe below the suture, the " keys " composed of a thick cluster of club-shaped rods (except Psalnio- pceus). a^. Legs of the fourth pair noticeably stronger than those of the first and clothed dis- tally with long erect setae; tarsal pads of the fourth leg completely divided by a row of setse. a^. The fourth leg stouter than the first, its protarsal pad entire and extending,
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