1913. ] 
basal segment of outer uropod articulating terminally with ultimate 
segment [mandibular palp two-segmented]. Group III. 
I. Large spines on last abdominal somite and telson with a soft fleshy pro- 
cess protruding from apex =: : 
Large spines on last abdominal somite and fclsont if present, without 
fleshy process at apex. 
A. Distal margin of telson divided into right and left halves by a long and 
very narrow median fissure with its edges partly in contact with one 
another. 
13h 
1. ‘Three round or oval bosses in centre of telson, external boss on each 
side not reaching distal margin. 
a. External boss on each side reaching only to middle of telson. 
i. Median portion of fifth abdominal somite entirely smooth. 
u. Rostrum sharply trispinous ; dorsal processes of ophthalmic 
somite produced, with acute antero-lateral corners 
B. Antero-lateral angles of rostrum acute but not spinous ; dorsal 
processes of ophthalmic somite not produced antero-late- 
rally 26 ic : i 
. Median portion of fifth abdominal somite fhaeteadinntie SAC 
a. Rostrum sharply trispinous ; external bosses of telson oval 
in outline ‘ ae 
8. Antero-lateral angles of rostrum acute but not spinous ; 
external bosses of telson strictly circular in outline 
b. External boss on each side reaching well beyond middle of telson, but 
not extending to distal margin. 
i. Median portion of fifth abdominal somite smooth ; distal margin 
of telson with three large teeth on either side of median fissure. 
a. Dorsal surface of telson, between bosses, smooth 
B. Dorsal surface of telson, between bosses, covered with well- 
marked irregular depressions .. : 5 
ii. Median portion of fifth abdominal somite furrowed; distal margin 
of telson with four large teeth on either side of median fissure . . 
2. ‘Three bosses in centre of telson, external boss on each side termina- 
ting in a point on distal margin. 
a. Fifth abdominal somite smooth mid-dorsally ; 
ed bosses ; bosses of telson smooth and entire 
}. Fifth and sixth abdominal somites finely grooved ; 
telson incised at margins by fine grooves runnings towards summit 
of each boss Me : 
B. Distal margin of telson divided into right Pak left halves by a large, 
wide and deep excavation. 
1. No spines or spinules on dorsal surface of telson. 
a. Distal margin of telson with two large teeth on either side of median 
sixth with six round- 
dorsal bosses of 
excavation F oe 
b. Distal margin of telson with ae large a blunt thet on either 
side of median excavation : 
2. Dorsal surface of last abdominal somite afd fico eet with spines 
or spinules. 
a. With short spinules. 
i. Telson with three pyriform bosses ; spinules straight 
S. Kempe: Crustacea Stomatopoda of the Indo-Pacific Region. 
guerint, p. 192. 
pulchellus, p. 177. 
nefandus, p. 179. 
trispinosus, p. 180. 
tuberosus, p. 181. 
glaber, p. 182. 
tanensis, p. 183. 
stoliurus, p. 184. 
eclvpus, p. 185. 
ely ptocercus, p. 186. 
excavatus, p. 187 
[folint, p. 189.] 
brooksi, p. 189. 
