. The American journal of anatomy . Fig. 17 Lymphatic sprout from the hyla pickeringii larva on which studiesin figs. 1 to 14 were made, showing mitotic division of a nucleus. This divisiontook place on May 5, while the larva was anesthetized with chloretone. The num-bers show the time. From 9:18 to 9:44 inclusive, the dividing nuclear area aloneis shown. Enlarged approximately 450 times. 378 ELIOT R. CLARK they gradually resume the character of the non-dividing nuclearareas. During the division the wall of the lymphatic remainscontinuous. Mitotic divisions have been observed in the main cauda
. The American journal of anatomy . Fig. 17 Lymphatic sprout from the hyla pickeringii larva on which studiesin figs. 1 to 14 were made, showing mitotic division of a nucleus. This divisiontook place on May 5, while the larva was anesthetized with chloretone. The num-bers show the time. From 9:18 to 9:44 inclusive, the dividing nuclear area aloneis shown. Enlarged approximately 450 times. 378 ELIOT R. CLARK they gradually resume the character of the non-dividing nuclearareas. During the division the wall of the lymphatic remainscontinuous. Mitotic divisions have been observed in the main caudal lymphtrunk as well as in the branches. There seems to be no definiteproportion between the number of nuclear areas a branch mayreceive by in-wandering as compared with the increase by divi-sion. I have seen the first nuclear area in a sprout divide, oneof the daughter nuclear areas remaining, and the other passingback to the main stem. On the other hand, I have seen as manyas five nuclear areas wander into a branch. Thus it is fo
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1912
