Dusky smooth-hound fishes is their ability to continually replace the teeth in their upper and lower jaws. Smooth dogfish differ from other sharks because of their 10 rows of flat, blunt teeth. The teeth in the upper and lower jaws are similar in size and are asymmetrical with rounded cusps. These teeth are used to crush and grind food, rather than bite it. Their unique dentition is important for their crustacean-based diet. In smooth dogfish, tooth replacement is related to body growth. They grow about 10 cm per every six rows of teeth replaced. That is an increase of 0.03 mm per
The Hound plateau, having only appeared before in 1920s "Celephais". Here placed in Central Asia, Leng is also associated in Lovecraft's writings with Antarctica and his imaginary Dreamlands. Lovecraftian scholar Will Murray, pointing to the "semi-canine face" on the amulet as well as the "corpse-eating cult" of Leng, suggests that the titular creature of "The Hound" "probably represents an early form of the ghoul as Lovecraft would develop it." On September 16, 1922, Lovecraft toured the Flatbush Reformed Church in Brooklyn with his friend Rheinhart Kleiner, writing about the visit in a letter: Lovecraft wrote "The Hound" shortly afterwards, using as the