Dr. Miram on the Vitality 0/ Intestinal Worms. 377 



each verticillastrum, rather larger than those of T. chamcedrys, 

 shortly stalked ; calyx between tubular and bell-shaped, about 

 as long as the floral leaves, the teeth lanceolate, nearly equal, 

 slightly spreading, slightly tinged with purple ; corolla yellow 

 with a darker reddish tip, bearded below, and with a broad 

 Teucrium regium. 



band of hairs pointing downwards on the under side within 

 the tube. 



This plant is distinguished from T. chamcedrys by the di- 

 stinct line of separation between the floral and other leaves, 

 the rhomboidal form of the former, and by the latter being 

 ovate-crenate, not ovate-oblong and incised, the much longer 

 internodes, and nearly simple branches. 



Hob. Spain, Schreber ; Italy, Morison ; Smyrna, Fleischer ; near 

 Abergavenny, England, Mr. E. Y. Steele. 



St. John's College, Cambridge, June 6, 1840. 



EXPLANATION OF THE FIGURES. 



a. Represents a lower leaf. 



b. Floral leaves and verticillastrum. 



c. A flower. 



d. A flower expanded so as to show the form and inteiior. 



XLV. — On the Strength of the Vital Principle in Intestinal 

 Worms. By Dr. C. E. Miram, Teacher of Zoology and 

 Comparative Anatomy in the Academy of Wilna*. 



Of the cold-blooded Vertebrate Animals, and especially of the 



Amphibia, it is well known that they can pass years in a state 



* From Wiegmann's Archiv, Part I. 1810. 



