538 APPENDIX. 



bands, which in our insect extend on each side, from 

 near the middle of the back to the sides, but in 

 Lyonet's present a bifurcate figure, the branches of the 

 fork terminating long before they reach the margin; 

 the latter is bounded by a darker line from the thorax 

 to the anus. 



6. N. testudinarius (n. s.), Nob. 



Fuscus : capite triangulari, glabro, nitido, apice tem- 

 poribusque rotundatis : abdomine elliptico, subpiloso, 

 pilis ad anum confertioribus : segmentorum dorsalium 

 suturis, lineaque medio longitudinali albidis : pedibus 

 subfuscis. Long, ^o P°U» 



Found on the Curlew. 



7. N. biseriatus (n. s.), Nob. 



Capite glabro, fulvo, triangulari, apice obtuso, tempo- 

 ribus rotundatis ; thorace pedibusque concoloribus, illo 

 linea media, albida : abdomine ovato, subpiloso, albido, 

 maculis lateralibus fulvis, biseriatim positis, exteriori- 

 bus majoribus. Long. -^^ poll. 



Also found on the Curlew, and, as far as I can find, 

 hitherto undescribed. 



Subgenus Lipeurus, Nitzsch. 

 (Ornithobins, Leach.) 



8. L.jejunus, Nitzch. 



Pedic. anseris, Linn. Fabr. 

 Redi, Exper. tab. 10. fig. dextra. 

 Found on the Grey Goose. Long, -££ g poll. 

 This species differs from the parasite of the Domestic 

 Goose in the British Museum collection ; but appears to 

 be identical with another species in the same collection, 

 to which neither name nor habitat is affixed. 



