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قراءة كتاب Seaside Studies in Natural History. Marine Animals of Massachusetts Bay. Radiates.

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‏اللغة: English
Seaside Studies in Natural History. Marine Animals of Massachusetts Bay. Radiates.

Seaside Studies in Natural History. Marine Animals of Massachusetts Bay. Radiates.

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دار النشر: Project Gutenberg
الصفحة رقم: 7

"Ophiopolis"">Ophiopholis

116 151. Astrophyton agassizii 118 152. Pentacrinus 121 153. Alecto meridionalis 122 154. Young Comatulæ 122 Figs 155, 156, 157. Egg of Star-fish in different stages of development 124 158. Larva just hatched from egg 125 159-164. Successive stages of development of Larva 125 165. Larva in which arms are developing 126 166. Adult Star-fish Larva (Brachiolaria) 127 167. Fig. 166 seen in profile 128 168-170. Young Star-fish (Astracanthion) in different stages of development 129 171. Lower side of ray of young Star-fish 130 172. Very young Star-fish seen in profile 130, 130 173-175. Larvæ of Sea-urchin (Toxopneustes) in different stages of development 130, 131 176. Adult Larva of Sea-urchin 132 177. Fig. 176 seen endways 133 178. Sea-urchin resorbing the arms of the larva 133 179-181. Successive stages of young Sea-urchin 133, 134 182. Ophiuran which has nearly resorbed the larva 135 183. Larva of Ophiuran (Pluteus) 136 184. Young Ophiuran 137 185. Cluster of eggs of Star-fishes over mouth of parent 137   Diagram of a rocky beach 149

 

 

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