1890.] HELODERMA SUSPECTUM. 239 



(28) 1873. SuMiCHRAST (F). — "Coup d'oeil sur la distribution 



geographique des reptiles au Mexique." Bibl. univers. et Revue 

 Suisse, Archives Seien. Phys. et Nat. t. xlvi. pp. 233-250. — 

 (In speaking of certain reptiles and their distribution, he 



adds: — "d'autres sont particulieres a celle du 



Pacifique et parmi elles il faut citer d'abord I'Heloderme, Hel. 

 korriclmn: ce curieux reptile que quelques naturalistes 

 considerent comme un membre de la famille paleotropicale 

 des Varanides, mais qui formera sans doute plus tard le 

 type d'un groupe particulier, le Cijclura quinque-carinata 

 {Enyaliosaurus, Grray), etc.") 



(29) 1875. Yarrow (H. C). — Report upon the Collections of 



Batrachians and Reptiles made in portions of Nevada, Utah, 

 California, New Mexico, and Arizona, during the years 1871, 

 1872, 1873, and 1874. U.S. Geographical Survey West of 

 the 100th Meridian. (Lieutenant Geo. M. Wheeler, U.S.A., 

 in charge). Pp. 5G2, 563. — (Refers to a specimen of H. sus- 

 jiectum taken on the Route of the Expedition, and disclaims 

 any belief in the fact that its bite is poisonous or dangerous.) 



(30) 1875. Blanch ARD (Em.). — "Observations sur les moeurs de 



V Heloderma horridum, Wiegm., par M. F. Sumichrast ; 

 Note de M. Bocourt presentee par M. Em. Blanchard." 

 Comptes rendus des seances d'Acadcniie des Sciences, 

 torn. Ixxx. p. 676. — (Brief observations upon experiments 

 with the bite of the Heloderm.) 



(31) 1875. Cope (E. D.).— ' Bulletin,' United States Natitmal 



Museum, No. l,pp. 19 and -47.— ^Places the //e/oie/-wff<«/« 

 (group b. Biployhssa) v\ith his Fleurodonta ; and on p. -47 

 gives the habitat of H. suspectum as the Sonoran region.) 



(32) 1875. Bocourt (F.). — Comptes rendus des seances de 



r Academic des Sciences, torn. Ixxx. p. 676. — (Details of 

 habits and experiments tending to show the venomous nature 

 of the bite of this Lizard, from the observations of Sumi- 

 chrast. This author also refers to the nauseous odour of 

 H. horridum.^ 



(33) 1876. Wallace (Alfred Russel). — The Geographical 



Distribution of Animals. Vol. ii, p. 390.-— (Notes upon the 

 distribution of the Heloderma tidce.) 



(34) 1878. Dumeril (Aug. M. C.) and Bocourt (F.). — Mission 



scientifique au Mexique et dans I'Amerique Centrale. Pt. iii, 

 pp. 287-302, pi. 20 E. figs. 1-13, and pi. 20 G. figs. 1, 3, 3 a, 

 '6 b, 6, 6 a, 7, 7 a, 8-11 a. — (A very excellent account of 

 H. horridum, with a hrid resume of all that appeared to be 

 known of the reptile up to the date of issue of this work, 

 and illustrated by valuable figures in the plates.) 



(35) 1878. Steindachner (Franz). — Denkschriften der kaiser- 



lichen Akademie der Wissenschaften (Wien), 38 Band, 

 p. 95. — (In this place are described some reptiles new to 

 science, and for one of them {Lanthanotus borneensis) a new- 

 family is created {Lanthanotidce), of which the author of the 



17* 



