 According to a memory of Lieutenant M'Ress, secondary communications officer in the "Star Trek Logs", the Caitian and Kzinti languages are similar enough that M'Ress can pass as a Kzin just long enough for her to send off a distress call from a Kzinti raiding ship.The Kzinti reappear in the comic "The Wristwatch Plantation", also by Niven (and which included the Bebebebeque from his "Draco Tavern" stories).Kzin appeared on a star map seen in several episodes of "", and a triple-breasted feline stripper from "" was referred to backstage as a "Kzinrrett".