5^6 Orqana reproduciionis 



Bichard. WaLLER , Some ohscrvntions mnde on llie 

 spawn of frogs and of the producliou of tod- 

 poles thcreln. 



riiiios. Trans. Y. l6gT. p. 523. 



Rosiuus I.ENTiLius , Kanarum ia plsces curlosa 

 MelaniorpLosis. 



Fplienierid. Acad. Kat. Curios. Cent. 5' et 4» 

 p. 386. 



'Florlano CaLDANI , Osservazione sopra la tra^for- 

 mazioae di ua insetto e sopra le idatidi dtllc 

 Rauocchie. 



Memorie di Verona. T. VII. p. 3od. 



Tiene I)e3Iours , Ohservallon sur le ciopaud male 

 * aci'OUchear de la femelle, 



Mem. de TAcad. des Sc. ds Parls. IJ^I- P- 28. 

 cd. in 8. p. 59. 



Ohservallon au sojet de deux animanx , donl 1q 

 male accouclie la femelle. (Cropaud.) 



Jhidem, 177B. p. 7. et i3. 



loseph Frajiciscus Iacquin , Laccrta rlvipara oh-» 

 serva'Io, 



]N'ova acla helvctica. Yol. I. p. 33. 



Anonym. Observation loucliing the hodies of sna- 

 kes and vipers , as also of the hroodlug of 5na- 

 l.fs and vipcrs. 



Pliilos. Transactions. Y. i663. p. i58. 



