. Biologisches Zentralblatt. Biology. 358 Ayers, Nasal rays in Condylura cristata. and by this means to ascertain the immecliate causes of this remark- able sensorial adaptation. Since Talpa may be coDsidered the more primitive form of the two, it becomes a matter of considerable inter- est to traee the developmeut of these fiiiger-shaped processes in Con- dylura. One would naturally expect that in their lirst stag-es of de- velopment; they would simply resemble the ronnded elevations of the papillated tactile surface of the snoiit of such a form as Talpa eiiro- pea-^ the parts of the snout mo


. Biologisches Zentralblatt. Biology. 358 Ayers, Nasal rays in Condylura cristata. and by this means to ascertain the immecliate causes of this remark- able sensorial adaptation. Since Talpa may be coDsidered the more primitive form of the two, it becomes a matter of considerable inter- est to traee the developmeut of these fiiiger-shaped processes in Con- dylura. One would naturally expect that in their lirst stag-es of de- velopment; they would simply resemble the ronnded elevations of the papillated tactile surface of the snoiit of such a form as Talpa eiiro- pea-^ the parts of the snout most freqnently broiig-ht in contact witli foreign bodies ultimately developing the papillae to a far greater extent than the remaining portions of the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Rosenthal, I. (Isidor), 1836-1915. Leipzig [etc. ] VEB Georg Thieme [etc. ]


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbiology, bookyear1885