. Echinoidea of the Swedish South Polar Expedition . Fig. 15. Copy of the figure 30S of A. Agassiz' Fig. 16. Apical area of Abaiits cavernostis, 1,9 mm. »Panamic Deep Sea Echini», representing the apical Simplified copy of PI. XVII. Fig. 9. The genitals area of Abatns cavernosas, (ccrda(us) mm. are numbered 1. 2. 3 the oculars I. II. Ill etc. A corresponding stage of the development of Abatus cordatus has been figured by LOVEN (On Pourtalesia. PI. XIV) and by A. AGASSIZ (Panamic Deep Sea Echini PI. 99. Figs. 1—7, p. 213, figures 307—308) (under the name of Abatus cavernosas). While t
. Echinoidea of the Swedish South Polar Expedition . Fig. 15. Copy of the figure 30S of A. Agassiz' Fig. 16. Apical area of Abaiits cavernostis, 1,9 mm. »Panamic Deep Sea Echini», representing the apical Simplified copy of PI. XVII. Fig. 9. The genitals area of Abatns cavernosas, (ccrda(us) mm. are numbered 1. 2. 3 the oculars I. II. Ill etc. A corresponding stage of the development of Abatus cordatus has been figured by LOVEN (On Pourtalesia. PI. XIV) and by A. AGASSIZ (Panamic Deep Sea Echini PI. 99. Figs. 1—7, p. 213, figures 307—308) (under the name of Abatus cavernosas). While the explanation of the apical plates given by Lov£n (Op. cit. PI. XIV. Fig. 164 a) is evidently correct, as far as he has been able to trace the plates, the ex- planation of these plates given by AGASSIZ is evidently unacceptable, as is easily seen on comparing the figures 15 and 16. the former representing the figure 308 from the »Panamic Deep Sea Echini». the latter a simplified copy of the PI. XVII.
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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1910, bookyear1910
