Strange!
From Debian Sid:
apt-cache search ^linux-image
linux-image-3.11-2-486 - Linux 3.11 for older PCs
linux-image-3.11-2-686-pae - Linux 3.11 for modern PCs
linux-image-3.11-2-686-pae-dbg - Debugging symbols for Linux 3.11-2-686-pae
linux-image-3.11-2-amd64 - Linux 3.11 for 64-bit PCs
linux-image-3.11-2-amd64-dbg - Debugging symbols for Linux 3.11-2-amd64
linux-image-486 - Linux for older PCs (meta-package)
linux-image-686-pae - Linux for modern PCs (meta-package)
linux-image-686-pae-dbg - Debugging symbols for Linux 686-pae configuration (meta-package)
linux-image-amd64 - Linux for 64-bit PCs (meta-package)
linux-image-amd64-dbg - Debugging symbols for Linux amd64 configuration (meta-package)
linux-image-3.11-1-amd64 - Linux 3.11 for 64-bit PCs
apt-cache show linux-image-amd64
Package: linux-image-amd64
Source: linux-latest (54)
Version: 3.11+54
Installed-Size: 6
Maintainer: Debian Kernel Team <debian-kernel@lists.debian.org>
Architecture: amd64
Provides: linux-latest-modules-3.11-2-amd64
Depends: linux-image-3.11-2-amd64
Description-en: Linux for 64-bit PCs (meta-package)
This package depends on the latest Linux kernel and modules for use on PCs
with AMD64, Intel 64 or VIA Nano processors.
.
This kernel also runs on a Xen hypervisor. It supports both privileged
(dom0) and unprivileged (domU) operation.
Description-md5: 273d1b43f376fdf9893fad396f2ed5f1
Section: kernel
Priority: optional
Filename: pool/main/l/linux-latest/linux-image-amd64_3.11+54_amd64.deb
Size: 5734
MD5sum: 9970bfa45dd7d6190de07c721b62f7d2
SHA1: c385d75490594985f1132033bf3d150b676f673a
SHA256: 7f9e2037deb1699a70e5dd1d8b66a938cc9dea8d6a87ede575e6cf6088b1fa5b