Terrestrial Amphipods - — • Hurley 
147 
ramus; telson with 2 spines on lateral 
margin 6 
6. Gnathopod 1, carpus expanded; basos of 
peraeopod 3 comparatively narrow ..... 
.................. eastwoodae (Methuen) 
Gnathopod 1, carpus linear; basos of 
peraeopod 3 comparatively broad ...... 
...................... africanus (Bate) 
7. Pleopod 3 vestigial or absent. ....... .8 
Pleopod 3, both rami present, though 
small. ............................ 10 
8. Third epimeral plate, anterolateral border 
produced into acute triangular projec- 
tion; outer plate of maxilliped apically 
pointed, with tuft of setae on outer mar- 
gin of outer plate as well as at tip ..... . 
....................... kershawi Sayce 
Third epimeral plate, anterolateral border 
evenly rounded; outer plate of maxilliped 
not exactly as above ................. 9 
9. Posterior border of 3rd epimeral plate 
minutely serrate and straight; maxilliped 
outer plate apically pointed as in T. 
kershawi but lacking setae on outer mar- 
gin .................. sylvaticus Haswell 
Posterior border of 3rd epimeral plate not 
serrated, sigmoid; maxilliped outer plate 
terminally rounded . . . alluaudi Chevreux 
10. Gnathopod 1 , propod medially expanded, 
longer than carpus; epimeral plates, pos- 
terior margins sigmoid, serrated; inner 
ramus of pleopod 3 more than half pe- 
duncle length .......... tasmaniae Ruffo 
These characteristics not combined as 
above. ........................... 11 
11. Pleopods, rami only about half peduncle 
length; propod of gnathopod 1 linear, 
shorter than carpus; posterior border of 
3rd epimeral plate straight and smooth 
.................... hortulanus Caiman 
Pleopods, rami about as long as peduncle; 
propod of gnathopod 1 linear, % carpus 
length; posterior border of 3rd epimeral 
plate not described but probably not as 
above ................. . gulliveri Miers 
One species only, Talitrus sylvaticus , so far 
is known from New Zealand. 
Talitrus (Talitroides) sylvaticus 
Haswell, 1880 
Figs. 1, 2 
Talitrus sylvaticus Haswell. Haswell, 1880: 246, 
pi. 7, fig. 1. Stebbing, 1906: 524 (literature). 
Sayce, 1909: 30-32, pi. XL Chilton, 1916: 
83-86. Hale, 1929: 218-219, fig. 216. 
Ruffo, 1948: 206-207. 
Talitrus dorrieni Hunt. Hunt, 1925: 854-869, 
text-figs. 1-2; pi. 1-2. Rawlinson, 1937: 
589-592. 
Talitroides dorrieni (Hunt). Schellenberg, 1934: 
159-160. Reid, 1947: 19-20, fig. 10. 
Talitroides sylvaticus (Haswell). Stephensen, 
1943: 296. 
[non] Talitrus sylvaticus Haswell. Stephensen, 
1935: 19-24, figs. 1-3. Shoemaker, 1936: 
62-64, figs. 1-2. Schellenberg, 1942: 142- 
144, figs. 116-117. 
Description of Male 
Colour, in spirits, white. Eyes round, apart, 
black. In all details the female is very like the 
male. 
antennae. First : Length VA mm.; reaching 
l A along last peduncle segment of second 
antennae. Flagellum as long as peduncle, of 
7 segments each with group of small setae 
mediodistally, 2 short spines inferodistally. 
Peduncle segments successively narrower and 
longer, margins sparsely spined. Second: 
Length 5 mm.; flagellum longer than pedun- 
cle, of 23-33 segments each with 4 equi- 
distant spines around end; last segment tufted. 
Peduncle, 3rd segment 14 length 4th; 4th 14 
5th; segments finely spined and successively 
narrower. 
