424 _ DR. T. A, CHAPMAN ON THE SPECIES [ Apr. 27, 
NOTARTHRINUS, 
1. vardhana Moore, P. Z. 8. 1874, p. 572, pl. Ixvi. fig. 5. 
The dorsal armature possesses the accessory articulated hooks, 
so that it is not a true Lycewnopsis. I place it provisionally in 
Notarthrinus. 
Text-fig. 51.* 
vardhana. X33. 
2. binghami Chpm. P. Z. 8. 1908, p. 676, pl. xxxviu. fig. 2. 
Very like Bothrinia chennellii and Lycenopsis limbuata var. 
jynteana, and until recently not distinguished from them. The 
appendages are very different. 
(Appendages illustrated J. ¢.) : 
3. musina de Nicév. J. Bomb. N. H. 8. ix. p. 275, pl. O. fig. 19. 
& Specimens of this species in the British Museum collection are 
also labelled corythus—leading me at first into some errors,— 
specimens of corythus, however, exist there unnamed. 
} This species is on the margin of, or rather outside, the genus 
Lycenopsis. It possesses articulated hooks to the dorsal pro- 
cesses, and the terminal armature is differently arranged to that 
of any other species. In its large and bold spines it resembles 
corythus, cinctata, and transpecta, and some others, most of which 
* [Text-figures 51-122 represent in each case the male ancillary appendages of the 
species indicated in the legend. | 
