252 Transactions. — Zoology. 



Palpi pale-orange ; sparingly furnished with white hairs ; 

 radial -f- digital joints somewhat turgid. 



Abdomen elongate-ovate, depressedly convex ; hairs some- 

 what sparse, short, white and orange-red, former predomi- 

 nate ; light olive-green ; fore-part of dorsal region occupied by 

 an ovate, somewhat rapidly attenuated figure, whose apex 

 reaches to posterior third, of a denser tone than normal 

 ground-colour, spotted with more or less coalescing fuscous 

 flecks ; anal third and inferior half of lateral margins have 

 similar streaks and spots ; evanescent brownish lanceolate 

 mark on ventral aspect. Corpus vulva lake-brown; repre- 

 sents a rather large, slightly-elevated, transverse oval area, 

 acutely emarginate above the rima genitalis, occupied by two 

 mussel-shaped foveas, divided by a broad septum. 



Captured in the forest near Stratford. A. T. U. 



Gen. Plexippus, L. K. 



Plexippus sylvarus, sp. nov. 



Max. — Ceph.-th., long, 2-6; wide, 1-9. Abd., long, 2*2 ; 

 wide, 1-3. Legs, 1, 4, 2, 3 =^ 7, 5-6, 5-1, 4-5 mm. 



Ceplialotliorax mahogany-brown, fuscous clouds, bluish 

 reflections ; fairly well clothed with straw-coloured and orange- 

 red adpressed hairs ; irides orange-red ; clypeus fringe light, 

 projects well over base of falces ; thoracic part slightly dilated, 

 about one-fourth longer than caput, slopes visibly away from 

 dorsal eyes, dips at an angle of 45° to stalk ; cephalic part 

 plane, inclined forwards, limited by a subcircular depression. 



Central eyes of anterior row rather closer to each other than 

 they are to laterals, an interval less than one-half the radius 

 of a side-eye ; dorsal and lateral eyes of about equal size, 

 former posited further from each other than are the latter 

 pair, by rather more than an eye's diameter ; eyes of second 

 row placed somewhat nearer to hind-pair; ocular square about 

 one-fourth wider than long. 



Falces mahogany-brown, clouded ; rugose ; subovate, 

 more prominently rounded on inner side, somewhat flat, 

 project well forw^ards, length exceeds breadth by about one- 

 third, as long as the pars patellaris of second leg. 



Maxillce. reddish-brown, base clouded with chocolate; 

 gradually dilated, rounded. 



Labium yellow-brown, clouded ; elliptical, fully half length 

 of maxillae. 



Sternum yellow-brown, dusky clouds ; oval. 



Legs yellowish-ochreous ; thighs of anterior pair have an 

 olive-green tone, fuscous shading ; tibice, metatarsi -f tarsi 

 reddish-brown ; metatarsi of two hind-pairs, and tibias of fourth, 

 have dusky distal rings ; form and armature normal ; claws of 



