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Show 50 16a. twenty-first tergite margined laterally; coxo-pleural process 3 pointed 17 Rllysida nuda. 18 Marginations also upon other tergites than the last tergite ". Antennae long, extending to the sixth tergite Rhysida nuda immargmata Antennae short, extending to the fourth tergite Rhysida nuda brevicornuta three pointed, lateral and Coxo-pleural process short, 1 or 2-pointed, rarely the last of dorsal spines wanting; tergites smooth; prefemur legs spined; sternites at most with short sulci anteriorly; eight or more pairs of legs with tarsal spines; all the spines of the prefemur of the last legs usually small lithobioides ...•..•...........................•.......... Rhysida Coxo-pleural process mostly long, three or four-pointed, rarely two-pointed, laterally with one to two spines; the anterior seven to nineteenth pairs of legs with two tarsal spines; prefemur of the last legs on ventro-Iateral surface with four, on the ventro-medial with two to four, and on the dorso-medial with one to four strong spines : ..•..•..............•.. Rhysida longipes Coxo-pleurae with pores; antennae at least passing the second tergite, mostly · 16b. 17a. 17b. 18a. the Only . . . . . . . • . . . . . . . • . . . . . . . . . . . . . . . • . . . . . . . . • ., . . . ...•........ ..... • . · 18b. 19a. longer Coxo-pleurae no pores; antennae very short, never extending beyond the first tergite; head freely abutting upon the first tergite whichIt does not overlap; . 19b. . . . . . . . . . . . all the four ocelli of the 20a. . . . . . . . size same • . . . . . • • . . . . . . . . . . . . . • . . • . . . . . . . . . . . . . . . . . . . . . . 4 + . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. • . . . . . . . . . · .•... •.....•... · . . . . • . . . . . . . . . . . • . . . . • . . . . . . . . . . • . . . . . . . . .. .•......... . 23a. 23b. 21 20 - .... 22. .. tarsus; presternal teeth; the claw of the last legs longer Asanada philippina legs with only the femur having a short furrow. 3 + 3 presternal teeth; the claw of the last legs as long as, or shorter than the second tarsus; the last legs with a deep dorsal furrow upon the femur and a Asanada askashii short pit upon the tibia All the legs without tarsal spines; lips of the spiracle calyx never divided; Genus Cormocephalus spiracles never covered by pleural folds first tergite with 2 complete fine longitudinal furrows, never granulated; the claw of the last legs shorter than the second tarsus; the prefemur of the last legs ventro-laterally with two rows of spines; femur and tibia smooth; six or seven basal articles of the antennae naked; coxo-pleural process two-pointed, poriferous area extending to the posterior border; last legs without spine behind the claw; the lateral margination beginning upon the thirteenth or fourteenth tergite, 4th to 17th with large reticular wrinkles; the twenty-first tergite without medial furrow; the coxa of the toxicognaths with almost complete median furrow Cormocephalus philippinensis The most of legs with tarsal spines; lips of the spiracle-calyx reduced into a tufted fibrous cone; the head overlapping the first tergite; labrum never entirely 22 Genus Scolopendra setose; the claw of the last legs always with a spine First tergite without cervical sulcus; first tarsus of the last legs without spines; coxo-pleurae with COnically narrowed process, only armed at the end; prefemur of the twentieth pair of legs without minute dorsal spines; head without longitudinal furrows; coxae of the toxicognaths with no transverse furrow; Philippine members of Scolopendra. a. Prefemur of the last legs with 5 to many ventral spines; tarsi or posterior 23 legs without hairs b. Prefemur of the last legs with 0 to 3, rarely 4 ventral spines 24 Prefemur, femur and often also the tibia of the last legs of the males dorsally complainate and with swollen margines ........•....•... Scolopendra morsitans Prefemur and femur of the last legs of the males rounded dorsally, rarely a few with this surface flattened but never with swollen margins; sternites of the anterior 4 .... 21b. . than the second . 21a. . Genus Asanada the last 20b. . . . • . . • . . . . . . . . . . . . . . . • . . . • . . • . . . . . . . . . . •. . . . . . . . . . . • .. |
