111 VII. On a Specimen of a Whale, Rudolphi's Rorqual (Balae- noptera borealis, Lesson,—Sibbaldius laticeps, Gray) LATELY TAKEN IN THE RIVER CROUCH, ESSEX. By Prof. W. H. Flower, LL.D., F.E.S., F.L.S., Pres. Z.S., &c. [Read December 15th, 1883.] Early in the morning of the 1st of November, 1883, some fishermen discovered a whale alive in shallow water near the mouth of the River Crouch, in Essex, having had its retreat to the open sea cut off by the falling tide. After consider- able difficulty they succeeded in capturing and killing it. It was exhibited for some time at Southend, and was the subject of a Chancery suit regarding its ownership between the Lord of the Manor of Burnham, Sir Henry Mildmay, and the fishermen who caught it, the former establishing his claim to it as a "royal fish." The following is the report of the motion as it appeared in the 'Times' of Thursday, Nov. 8th, 1883 :— ''High Court of Justice. Before Mr. Justice Chitty. Mildmay v. Page.—The Plaintiff, Sir Henry Mildmay, lord of the manor of Burnham, in the County of Essex, claims to be . entitled to a several fishery in the River Crouch, and to all royal fish caught in the river. A Whale of a somewhat uncommon species, called a Rock Whale [Rorqual ?] was recently captured in the river by the defendant, who is now exhibiting it at Southend, and the plaintiff asserts that it belongs to him as lord of the manor. "Mr. Methold now applied for an interim injunction to restrain the defendant from parting with, injuring or destroy- ing the Whale, on the ground that it was a royal fish, and he stated, in support of his application, that the plaintiff's predecessor in title had obtained the verdict of a jury in 1G73 affirming the title of the lord to the several fishery, and,