 ... and incloses the creature, like that of the oyster or muscle." "All vertebrated animals are either oviparous or viviparous, which terms sufficiently designate their modes of production : but it is not so with animalcules ; for, in addition to these...  The natural history of animalcules - Page 19by Andrew Pritchard - 1834 - 196 pagesFull view - About this book
 | Robert Walsh, Eliakim Littell, John Jay Smith - American periodicals - 1834 - 718 pages
...which terms sufficiently designate their modes of production ; but it is not so with animalcules; tor in addition to these two methods — 1. Animalcules...scissure or division of their bodies into two or more portions.each one forming a newcreature,which,on it arrival at maturity, pursues the same course. These... | |
 | Sir Daniel Keyte Sandford - Art - 1841 - 558 pages
...extremities, and at others it is bmlve, and incloses the creature, like that of the oyster or muscle." "All vertebrated animals are either oviparous or viviparous,...in some genera symmetrically, as in the Gonia, &c. ; in others by transverse, longitudinal, or diagonal sections. In these latter cases the produce have... | |
 | Science - 1842 - 496 pages
...extremities, and at others it is bivalve, and incloses the creature like that of the oyster or muscle. All vertebrated animals are either oviparous or viviparous,...in some genera symmetrically, as in the Gonia, &c. ; in others, by transverse, longitudinal, or diagonal sections. In these hstter cases the produce have... | |
 | Edinburgh (Scotland) - 1835 - 432 pages
...generally a different way of coming into existence. One class propagate by spontaneous scissure, or diruion of their bodies into two or more portions, each one...its arrival at maturity, pursues the same course. In thus cutting themselves in pieces, they are very capricious in their fancy. Sometimes they divide... | |
| |
