Rhodesian __, Large Hound With a Singular Mark
Puzzle 13 of Running a Marathon Pack
Question is: Rhodesian __, Large Hound With a Singular Mark
and the answer is: RIDGEBACK
Word Meaning:
RIDGEBACK — Any of three breeds of dog with a distinctive ridge of hair that runs against the grain of the rest of the coat along the spine: the Rhodesian Ridgeback, the Phu Quoc Ridgeback and the Thai Ridgeback.
Definitions from Wiktionary.