Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . Fig. 229, x 500. Fig. 230, x 250. There is also a fine Triceratium, which appearsto be the Triceratium Thwaitesianum of Greville,described by him in the second volume of the Transactions of the Microscopical Society ofLondon (new series). Dr. Grevilles specimenswere from the Cape of Good Hope. The size ofthe specimen figured is 0040 of an inch (fig. 230). Another species of Triceratium of a singular formis the Triceratium pentacrinus of Wallich, whichwas also found in my washings. T
Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . Fig. 229, x 500. Fig. 230, x 250. There is also a fine Triceratium, which appearsto be the Triceratium Thwaitesianum of Greville,described by him in the second volume of the Transactions of the Microscopical Society ofLondon (new series). Dr. Grevilles specimenswere from the Cape of Good Hope. The size ofthe specimen figured is 0040 of an inch (fig. 230). Another species of Triceratium of a singular formis the Triceratium pentacrinus of Wallich, whichwas also found in my washings. This form is. Fig. 231, x 500. regarded by some authorities as a five-sided varietyof the Amphitetras ornata of Shadbolt (fig. 231).My specimen measured 0033 of an inch. Amongst the better known species found on myslides are the Surirella fastuosa of Ehrenberg, acommon marine form, diffused almost all over theworld, since it has been recorded in Europe, Asia,Africa, and America. The specimen figured (fig. Oct. 1,1S67.] HARDWICKES SCIENCE-GOSSIP. 229 232) measured 0027 of an inch, Navicula palpebralsof Brebisson, which is found ou our own coasts andthose of France. My measurement is 0020 of aninch (fig. 233).
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