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3. Head, trunk and tail with distinct dark 

 spots, more or less arranged in rows, 

 Gillopenings not in a dark patch. 



a. Spots smaller than interspaces, those 

 on head much the smallest. Head 

 2.5—3.3 in trunk. Cleft of mouth 



22/3 in head M. (C.) iiiclanospiltts p. 375. 



b. Spots smaller than interspaces, those 

 on the head smallest and sometimes 

 wanting. Head 2 — l"^]^ in trunk. Cleft 



of mouth 2 — 2'/2 in head M. [G.) undidala vtly. Jiinbriata p. 376. 



c. Spots larger than interspaces, those on 

 the head not smaller. Head 3 in trunk. 



Cleft of mouth 21/3 — 2I/2 I'd. h.f3.A. M. {G.)favaginca\:^x. isi/igleeiia ■^. ^)^?>. 



4. A dark brown streak behind corner ot 

 mouth. More or less distinct white spots 

 on jaws. No large dark spot behind eye. 



No white spots on body and tail . . . M. (C.) chilospilus p. 379. 



5. A large dark brown spot behind eye, 

 bordered superiorly by a narrow white 

 line. White spots on jaws; body and tail 



without white spots or stripes M. (G.) zoiiipectis p. 381. 



6. A large oblong black patch on temporal 

 region. Body and tail with rows of white 



spots or vertical stripes M. (G.) niaigaritophora p. 382. 



7. Head, trunk and tail more or less dis- 

 tinctly marbled or reticulated. Gillope- 

 nings not in a dark patch. No dark 

 spot behind eye or at corner of mouth. 

 No distinct white spots on jaws. 



a. Yellowish, marbled and reticulated 

 with dark brown, sometimes finely 

 mottled with dark and yellowish. 

 Vomerine teeth in 2 series, except in 

 old specimens, where they are uni- 



serial ^[. (G.) rkhardsoni p. 383. 



b. Groundcolour dark, with a network 

 of white or yellowish lines. Vomerine 

 teeth uniserial. 



a.. Tail considerably shorter than head 

 and body. Lines on body and 

 tail very fine. Head 2.6 — 2.9 in 

 trunk M. {G.) pseudothyrsoidca p. 384. 



