. Introduction to zoology; a guide to the study of animals, for the use of secondary schools;. FIG. 179. 195 196 ZOOLOGY Abnormalities are frequently found among starfishes, — partly on account of theircapacity for regeneration,even from the disk and asingle arm. Thus one mayfind a starfish with three orfour rays, or with a smallray interpellated in be-tween normal-sized all abnormalities seemto be the result of mutila-tion, however; for example,sometimes two arms seem FIG. 180. —Abnormal starfish (Astenas),apparently produced by fusion of two to be fused (Fig. 180). r°Thalf nat- size
. Introduction to zoology; a guide to the study of animals, for the use of secondary schools;. FIG. 179. 195 196 ZOOLOGY Abnormalities are frequently found among starfishes, — partly on account of theircapacity for regeneration,even from the disk and asingle arm. Thus one mayfind a starfish with three orfour rays, or with a smallray interpellated in be-tween normal-sized all abnormalities seemto be the result of mutila-tion, however; for example,sometimes two arms seem FIG. 180. —Abnormal starfish (Astenas),apparently produced by fusion of two to be fused (Fig. 180). r°Thalf nat- size> Phot°* by Other Starfishes. — Aste- . \j,
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1900
