. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . . I. Anatomy of a pelecypod, Anodonta cyynea. The animal with most of the left mantle lobe removed,a, excretory opening; a. ad., anterior adductor muscle; , anterior retractor muscle; era., leftauricle; , dorsal pallial apertm-e; ex. sph., exhalant siphon; ft., foot; , inhalantsiphon ; kd., kidney ; I. ext. rjl., left external gill; I. , left external labial palp ; I. int. r/l., leftinternal gill ; 1. , left internal labial palp : I. m., c
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . . I. Anatomy of a pelecypod, Anodonta cyynea. The animal with most of the left mantle lobe removed,a, excretory opening; a. ad., anterior adductor muscle; , anterior retractor muscle; era., leftauricle; , dorsal pallial apertm-e; ex. sph., exhalant siphon; ft., foot; , inhalantsiphon ; kd., kidney ; I. ext. rjl., left external gill; I. , left external labial palp ; I. int. r/l., leftinternal gill ; 1. , left internal labial palp : I. m., cut edge of left mantle lobe; mth., mouth ;p. ad., posterior adductor muscle; pc., pericardium; p. r., posterior retractor muscle; pro., pro-tractor muscle ; ret., rectum ; r. MI., right mantle lobe ; v, ventricle ; v. m., visceral mass. _„,«•« rau. Ij vjn kd Anatomy of a pelecypod. Anodonta cyynea. Dissection from the left side, a, excretory opening;a. ad., anterior adductor muscle; , anterior aorta; , auriculo-ventricular aperture; bl.,urinary bladder; yn., cerebropleural ganglion; d. d., duct of digestive gland; , digestivegland; dorsal pallial aperture ; ex. sph., exhalant siphon; /<.,foot; , genital aperturegon., gonad; gul., gullet; i. 1. j., interlamellar junction ; in. sph., inhalant siphon ; int., intestine ; ; ?», mantle: mth., mouth; p. no., posterior aorta: p. ad., posterior adductor muscle; pc.,pericardium; pd. yn., pedal ganglion; , renal aperture; , right auricle; ret., rectum; a., reno-pericardial aperture ; St., stomach; ty., typhlosole; v., ventricle ; v. gn., visceral ganglion ;w, t., water-tubes. CLASS PELECYPODA THIS is a large and important class of the Mollusca, compris-ing an extensive group of animals, which vary widely instructure.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
