242 DR. R. W. SHUFELDT ON [Apr. 1, 



(;il) 1883. 'The American Naturalist.' Philadelphia. P. 800. 

 - — (Editorial, referring to the experiments of Mitchell and 

 Reichert.) 



(52) 1S84. ScLATER (P. L.).^-Proc. Zool. Soc. London, p. 47o. — 

 (Under noticeable additions to the Zoological Society's 

 Gardens for the month of July, remarks: — " 1. A second 

 specimen of the Heloderm Lizard {Heloderma suspectum), 

 received in exchange from the Central Park Menagerie, 

 New York, U.S.A., July 3rd.") 



{W6) 1884. BouLENGER (G. A.). — Annals and Magazine of 

 Natural History, (.5) xiv. p. 120. — (Characterizes the 

 Helodermatidcc, and places them between the Aniellidce and 

 Varanid(e.) 



(54) 1884. Garman (Samuel). — The North-American Reptiles 



and Batrachians. A List of the Species occurring North of 

 the Isthmus of Tehuantepec, with references : p. 12. — 

 (Characterizes the family Helodermidcp, and alludes briefly 

 to H. horridum and suspectum.) 



(55) 1885. Boulenger (G. A.). — Catalogue of the Lizards in the 



British Museum. Vol. ii. pp. 300-302. — (Presents the 

 characters of the Family, and of the two species known to 

 science.) 

 (5G) 1885. Gill (Theodore). — Smithsonian Re[)ort, Part I. 

 ]). 800.- — (Proposes the superfamily Ilelodermafoidea, con- 

 taining the only known family Helodermatidoi ; both are 

 briefly characterized.) 



(57) 1885. GiFNTHER (A. C.). — BiologiaCentrali-Americana. Rep- 



tiles, pi. xxvi. — (Figures a young specimen of Heloderma 

 horridum.) 



(58) 1886. GtTNTHER (A. C.) and Mivart (St. George). — 



Encyclopaedia Britannica, 9th Edition, Art. " Reptiles." 

 Vol. XX. pp. 439, 451, 458, figs. 12 & 27.— (The Heloder- 

 tnidcBRve placed in the Suborder (1) Lacertilia vera (group B), 

 between the Aniellidse and the Varanidae. Bocourt's figures 

 of skull and teeth reproduced. Characters of the skull are 

 alluded to, and the nature of the teeth and other points.) 



(59) 1887. Shufeldt (R. W.). — The Gila Monster. Forest and 



Stream : New York. Aug. 4 ; p. 24, figure (life-size) of tiie 

 reptile. — (A popular account of //. suspectum.) 



(60) 1887. Bendire (C. E.).- — ' Forest and Stream ' (newspaper). 



Aug. 18 ; pp. 64, 65, Under title of "Whip Scorpion and the 

 Gila Monster," describes the eggs removed from a specimen 

 of //. svspectum : — " If I remember rightly, this specimen 

 contained about eight fully formed eggs, all about three 

 quaiters of an inch in length by one third of an inch in 

 width, bluntly pointed at each end, resembling the egg of 

 an Alligator in sha})e, but with a smooth, toft, wliite skin 

 instead of a hard, glossy shell like the latter.") 



(61) 1887. Cope (E. D.).— Bulletin of the U.S. National Mu- 



seum, No. 32, p. 40. — la a Catalogue of Batrachia and 



