Dusky smooth-hound time to induce tonic immobility in smooth dogfish was 32.5 seconds. The mean duration of the tonic immobility was 61.9 seconds. Sharks that had the “limp” response also exhibited tonic immobility. The “limp” response is a criterion for the onset of tonic immobility. Dusky smooth-hound The dusky smooth-hound ("Mustelus canis"), also called the smooth dogfish or the dog shark, is a species of houndshark in the family Triakidae. This shark is an olive grey or brown in color, and may have shades of yellow or grayish white. Females live to 16 years and males have a lifespan of 10 years.
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