Total length of the specimen 9 11 Circumference immediately behind the pectoral extremities 5 2 Circumference where the folds or rugae terminated 4 8-1/4 Ditto of the tail at its origin 1 5-1/2 Length from the back fin to the setting on of the tail 2 10 Length from the snout to the ear 3 0 Length from snout to nostrils 1 4 Length of lower jaw 2 3 Length of arm; inner side 1 3 Length from the angle of the mouth to the arm 1 3 Length from snout to arm 2 9 Length of tail in depth 0 11 Length of back fin at the base 0 8 Height of back fin 0 8-1/2 From top to tip of tail 2 8-1/2 Stomach:--1st compartment, in length 1 2 2nd compartment, in length 1 4 3rd compartment, in length 0 8 4th compartment, in length 0 7 5th compartment, in length 0 3 Spleen weighed 4 ounces; its length was 0 5 Liver, 9 lbs. Small intestines, length 20 0 Large intestines, length 2 4 Kidney, weight 2-1/4 lbs. Brain (including 2 inches of spinal marrow), 3-1/2 lbs. Cerebellum, pons, and 2 inches of spinal marrow, 3/4 lb. Great hemisphere of the brain measured 3 inches in length, in breadth, 6-1/2; at the base, 8 inches. Tuber annulare 0 1-2/8 Olfactory nerves, in length 0 1-1/2 Ditto, breadth 0 2-1/2 Skeleton:--Length of cranium 2 11 Greatest breadth between the orbits 1 3 Length of vertebral column 7 8 When we compare the skeleton of this Rorqual with the Gigantic Rorqual I also dissected, we find as follows:-- _R. giganteus._ _R. minor._ Cervical vertebrae 7 vertebrae 7 Dorsal 15 11 Lumbar, sacral, caudal 43 30 -- -- 65 48 These differences must be specific.