. An introduction to the study of zoology. Zoology. I82 AN' INTRODUCTION TO ZOOLOGY. The class Annelida are worms with segmented bodies, a highly-developed nervous system, and a vascular system. The sub-class Ch^topoda are remarkable for their. Wf^ Pig. 47. Fig. 48. Fig. 47.—A group of tubes of one of the tubicolous -worms, Sei^pula con- (ortupHcata, showing heart and of one worm. Fig. 48 o and b.—Shell-like tubes of Sjjirortis. appendages, called cirri or parapodia. The order Polychceta have tentacles and tree-like gills {brancMai); Polygordius, the larval form of which has bee

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. An introduction to the study of zoology. Zoology. I82 AN' INTRODUCTION TO ZOOLOGY. The class Annelida are worms with segmented bodies, a highly-developed nervous system, and a vascular system. The sub-class Ch^topoda are remarkable for their. Wf^ Pig. 47. Fig. 48. Fig. 47.—A group of tubes of one of the tubicolous -worms, Sei^pula con- (ortupHcata, showing heart and of one worm. Fig. 48 o and b.—Shell-like tubes of Sjjirortis. appendages, called cirri or parapodia. The order Polychceta have tentacles and tree-like gills {brancMai); Polygordius, the larval form of which has been re- ferred to on p. 179, is considered to be allied to them. The sub-order Eirantia are free-swimming forms. The Spa-mouse is. fairly common ; it is a creature not much like a worm in shape, covered with long pur-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lindsay, B. London, S. Sonnenschein

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1895