In 1893, some years after the identification of the somites of Limulus with those of Scorpio, thus indicated, had been published, zoologists were startled by the discovery by a Japanese zoologist, Kishinouye (8), of a seventh prosomatic somite in the embryo of Limulus longispina.
(After Kishinouye, Journ.
Kishinouye, " Development of Limulus longispina," Journal of the Science College of Japan, vol.
And viii.; Kishinouye, " Development of Araneina," Journ.
Xvii., 1879; Grenacher, Gehororgane der Arthropoden (GÃ¶ttingen, 1879); Kishinouye, " Lateral Eyes of Spiders," Zool.
Kishinouye, " Some New Scyphomedusae of Japan," Journ.