

NATURAL HISTORY MISCELLANY. 385 
N THE EARLY STAGES or BmnacHroPODs.— The writer made a visit 
to East tport, Maine, early in the summer, for the purpose of disc overing 
the early stages of a species of Brachiopod (Terebratulina septentrionalis 
Couth.) so abundant in those waters. As little has been knoyn regard- 
ing the early stages of this class of pu) the facts here presented will 
the Polyzoa. As the subject will be füliy presented at the meeting of the 
American Association, only the more important features will be men- 
tioned here. Ina sad individuals the ovaries were found partially filled 
eggs. The eggs (Fig. 65) were kidney shaped, and resembled the 
Statoblasts of Ec No arate stages were seen between 
* eggs and the form represented in Fig. 66. This stage recalled in 
general proportions Megerlia or Argiope in being transversely oval, in : 
having the hinge-ma argin wide and straight and in the large foramen. 
Fig. 65. Fig.68. Fig.67. Fig.¢8. Fig. 69. Fig. 70. Fig. 71. 

Between this Stage and the next the shell elongates until we have a form 
* ima like Lingula (Fig. 67), having, like Lingula, a peduncle longer 
than the shell 1, by which it holds fast to the rock. It suggests also in its 
ward isaac of authors), or, ue from the peduncular end (Fig. 68), and 
nd 
tired stage, where a fold is seen on each side of the stomach ; 
this fold the complicated liver of the a is developed, first, by a P 
diverticular appen dages, as seen in Fig. 
When the animal is about one-eighth P an inch in length the lopho- 
re 
7 reminding on e of the funiculus in the dian. No traces 
of an anus were di h many specimens were re carefully exam- 
AMER. NATURALIST, r m. 49 
