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U.S. NATIONAL MUSEUM BULLETIN 271 



Figure 106. — Isaeidae and Aoridae: Mouthparts, Photis reinhardi Kr0yer (Sars, 1895, 

 pi. 202): a, upper lip; b, mandible; c, lower lip; d,e, maxillae 1, 2:/, maxilliped. Max- 

 illiped: g, Isaea montagui Milne Edwards (Chevreux and Fage, 1925). Gnathopod 1: 

 h, Kuphocheira setimanus K. H. Barnard (1932); i, Photis tenuicornis (Sars, 1895, pi. 203); 

 j, Leptocheirus pilosus Za.dd3ich. (Sars, 1895, pi. 197) [ = Aoridae]; k, Megaviphopus cornutus 

 Norman (Sars, 1895, pi. 200). Gnathopod 2: /, Leptocheirus; m, Megaviphopus; n, 

 Photis tenuicornis, female; o, Kuphocheira; p, Photis tenuicornis, male. 



