88 [June, 



12. Bufo quercinus, Holbr. N. Amer. Herp. v. 1842, 13. PI. iii. 



This quite small species appears to be restricted to very narrow geographical 

 limits, having so far been found only in the neighborhood of Charleston, S. C. 



13. Bufo insidior, Girard. Upper surface of head plane and smooth. Snout 

 subacute, protruding. Mouth moderate, upper jaw slightly emarginated. 

 Tongue elongated, tapering towards both ends. Tympanum inconspicuous. 

 Parotids large and elongated, situated obliquely upon the shoulder. Limbs 

 moderate. First finger equal to the second in length. A metacarpal disk, and 

 a tubercle. Toes slightly webbed at base. Two metatarsal tubercles. Skin 

 papillous above, warty beneath. Above of a bluish slate hue, with black 

 markings. Beneath unicolor, dingy yellow. 



Small specimens, perhaps immature, were collected in Chihuahua by Dr. 

 Thos. H. Webb, attached to Comm. Bartlett's party in the survey of the U. 

 S. and Mex. boundary line. 



14. Engystoma carolinense, Holbr. N. Amer. Herp. First ed. i. 1836? 

 83. PI. xi., and 2d ed. v. 1842, 23. PL vi. Dum. and B. Erp. gen. viii., 

 1841, 743. 



Found in South Carolina, Georgia, Florida, Louisiana and Mississippi. 



15. Engystoma rugosum, Dum. and B. Erp. gen. viii., 1841, 744. 



Said to occur in the same regions as the preceding species. Have never ob- 

 served it, and therefore cannot endorse it as a North American species. 



The following amendments to the By-Laws were adopted : 



Chapter viii., Art. 1. No specimen of Natural History contained 

 in the collections of the Academy shall be loaned from the Hall, under 

 any pretence, or for any purpose whatever. 



Chapter xii., Art. 2. Every proposition to alter or amend these 

 By-laws shall be submitted, in writing, at a meeting for business, and 

 if adopted by the affirmative votes of two thirds of the members pre- 

 sent, it shall be read at the meeting for business next succeeding ; and 

 then, if adopted by the affirmative votes of two-thirds of the members 

 present, it shall be again read at the next succeeding meeting for busi- 

 ness, and on receiving the affirmative votes of two-thirds of the mem- 

 bers present, it shall become a part of these By-Laws ; Provided, that 

 at least twelve members be present at each of the three readings. 



The following Article was added to Chap. XII : 



Chapter xii., Art. 3. No one, or more, of the By-Laws of this 

 Academy shall be suspended. 



ELECTION. 



Dr. William S. M'llhenny and Job B. Tyson, Esq., of Philadelphia, 

 were elected Members. 



June 6th. 

 Vice-President Lea in the Chair. 



Letters were read 



From the Royal Saxon Society of Sciences, dated Leipzig, 27th Feb., 

 1854; 



From the Boyal Academy of Sciences of Vienna, dated Jan. 18 and 

 Jan. 28th, 1854 : 



