"Arterial system of frog. l., Lingual; c., carotid; s., systemic; cu., cutaneous; p., pulmonary; v.,…
"Diagram of the heart and branchial arches in the Frog. c.g., carotid gland; l., lungs; l.a., left auricle;…
"Nervous system of frog. 1-10, The cranial nerves; oc., eyes; crb., in front of optic chiasma; to.,…
"Skeleton of frog. The half of the pectoral girdle, and fore- and hind-limb of the right side are not…
"Venous system of frog. m., l., Mandibular and lingual; e.j., external jugular; i.j., internal jugular;…
"General view of the viscera of a male frog, from the right side. a, stomach; b, urinary bladder; c,…